Vulnerability feed

CVE and vendor PSIRT advisories from 13 sources, last 30 days. Updated hourly, last run Oct 26 02:05 UTC

Critical in the last 24 hours

1603 in 30 days

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In the last 24 hours, CISA KEV and vendor reports

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New in the last 24 hours

144-76% vs 7-day avg of 597

2 critical, 38 high, 59 medium, 25 low

Expand	Severity	Score	Advisory	Title	Source	Published
	High	7.5	CVE-2026-97830	Double free in Windows Internet Information Services allows an unauthorized attacker to deny service over a network. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows Server 2022	NVD	Oct 13 19:22 UTC
CVE-2026-97830Double free in Windows Internet Information Services allows an unauthorized attacker to deny service over a network. From the advisory Double free in Windows Internet Information Services allows an unauthorized attacker to deny service over a network. Impact if exploited ConfidentialityNone IntegrityNone AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction None Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows Server 2022 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:22 UTC Read the advisory
	High	7.8	CVE-2026-97794	Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows Server 2022	NVD	Oct 13 19:22 UTC
CVE-2026-97794Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally. From the advisory Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Local Attack complexity Low Privileges required Low User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows Server 2022 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:22 UTC Read the advisory
	High	7.8	CVE-2026-97792	Improper access control in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows Server 2022, Microsoft Windows 11 26H2	NVD	Oct 13 19:22 UTC
CVE-2026-97792Improper access control in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally. From the advisory Improper access control in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Local Attack complexity Low Privileges required Low User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows Server 2022 Microsoft Windows 11 26H2 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:22 UTC Read the advisory
	High	7.0	CVE-2026-97787	Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized... MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows Server 2022	NVD	Oct 13 19:22 UTC
CVE-2026-97787Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized... From the advisory Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Local Attack complexity High Privileges required Low User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows Server 2022 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:22 UTC Read the advisory
	High	7.0	CVE-2026-96939	Time-of-check time-of-use (toctou) race condition in Servicing Stack Updates allows an authorized attacker to elevate privileges locally. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows 11 26H1	NVD	Oct 13 19:22 UTC
CVE-2026-96939Time-of-check time-of-use (toctou) race condition in Servicing Stack Updates allows an authorized attacker to elevate privileges locally. From the advisory Time-of-check time-of-use (toctou) race condition in Servicing Stack Updates allows an authorized attacker to elevate privileges locally. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Local Attack complexity High Privileges required Low User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows 11 26H1 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:22 UTC Read the advisory
	Critical	9.8	CVE-2026-96909	Heap-based buffer overflow in Windows BitLocker allows an unauthorized attacker to execute code over a network. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows Server 2022	NVD	Oct 13 19:22 UTC
CVE-2026-96909Heap-based buffer overflow in Windows BitLocker allows an unauthorized attacker to execute code over a network. From the advisory Heap-based buffer overflow in Windows BitLocker allows an unauthorized attacker to execute code over a network. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction None Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows Server 2022 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:22 UTC Read the advisory
	High	7.8	CVE-2026-88074	Integer overflow or wraparound in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows 11 26H1, Microsoft Windows 11 26H2	NVD	Oct 13 19:21 UTC
CVE-2026-88074Integer overflow or wraparound in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally. From the advisory Integer overflow or wraparound in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Local Attack complexity Low Privileges required Low User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows 11 26H1 Microsoft Windows 11 26H2 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:21 UTC Read the advisory
	High	7.8	CVE-2026-88071	Double free in Windows Hyper-V allows an authorized attacker to elevate privileges locally. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows Server 2022, Microsoft Windows 11 26H2	NVD	Oct 13 19:21 UTC
CVE-2026-88071Double free in Windows Hyper-V allows an authorized attacker to elevate privileges locally. From the advisory Double free in Windows Hyper-V allows an authorized attacker to elevate privileges locally. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Local Attack complexity Low Privileges required Low User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows Server 2022 Microsoft Windows 11 26H2 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:21 UTC Read the advisory
	Medium	5.5	CVE-2026-85916	Exposure of private personal information to an unauthorized actor in Azure Active Directory allows an unauthorized attacker to disclose information locally. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows 11 26H1	NVD	Oct 13 19:21 UTC
CVE-2026-85916Exposure of private personal information to an unauthorized actor in Azure Active Directory allows an unauthorized attacker to disclose information locally. From the advisory Exposure of private personal information to an unauthorized actor in Azure Active Directory allows an unauthorized attacker to disclose information locally. Impact if exploited ConfidentialityHigh IntegrityNone AvailabilityNone How it is exploited Attack vector Local Attack complexity Low Privileges required Low User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows 11 26H1 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:21 UTC Read the advisory
	Critical	9.0	CVE-2026-85818	Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to perform spoofing over a network. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows Server 2022	NVD	Oct 13 19:21 UTC
CVE-2026-85818Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to perform spoofing over a network. From the advisory Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to perform spoofing over a network. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity High Privileges required None User interaction None Scope Changed CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows Server 2022 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:21 UTC Read the advisory
	High	7.8	CVE-2026-85804	Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows 11 26H1	NVD	Oct 13 19:21 UTC
CVE-2026-85804Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally. From the advisory Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Local Attack complexity Low Privileges required Low User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows 11 26H1 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:21 UTC Read the advisory
	High	7.0	CVE-2026-85803	Use after free in Windows Camera Frame Server Monitor allows an authorized attacker to elevate privileges locally. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows 11 26H1	NVD	Oct 13 19:21 UTC
CVE-2026-85803Use after free in Windows Camera Frame Server Monitor allows an authorized attacker to elevate privileges locally. From the advisory Use after free in Windows Camera Frame Server Monitor allows an authorized attacker to elevate privileges locally. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Local Attack complexity High Privileges required Low User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows 11 26H1 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:21 UTC Read the advisory
	Medium	5.5	CVE-2026-84011	Incorrect authorization in Windows SMB Client allows an authorized attacker to bypass a security feature locally. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows Server 2022	NVD	Oct 13 19:20 UTC
CVE-2026-84011Incorrect authorization in Windows SMB Client allows an authorized attacker to bypass a security feature locally. From the advisory Incorrect authorization in Windows SMB Client allows an authorized attacker to bypass a security feature locally. Impact if exploited ConfidentialityNone IntegrityHigh AvailabilityNone How it is exploited Attack vector Local Attack complexity Low Privileges required Low User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows Server 2022 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:20 UTC Read the advisory
	High	7.0	CVE-2026-83900	Use after free in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows 11 26H1	NVD	Oct 13 19:20 UTC
CVE-2026-83900Use after free in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally. From the advisory Use after free in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Local Attack complexity High Privileges required Low User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows 11 26H1 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:20 UTC Read the advisory
	High	7.0	CVE-2026-83886	Use after free in Windows Update Orchestrator Service allows an authorized attacker to elevate privileges locally. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows 11 26H1	NVD	Oct 13 19:20 UTC
CVE-2026-83886Use after free in Windows Update Orchestrator Service allows an authorized attacker to elevate privileges locally. From the advisory Use after free in Windows Update Orchestrator Service allows an authorized attacker to elevate privileges locally. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Local Attack complexity High Privileges required Low User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows 11 26H1 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:20 UTC Read the advisory
	High	8.1	CVE-2026-83856	Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows Server 2022	NVD	Oct 13 19:20 UTC
CVE-2026-83856Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network. From the advisory Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity High Privileges required None User interaction None Scope Unchanged CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows Server 2022 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:20 UTC Read the advisory
	High	7.5	CVE-2026-83855	Integer underflow (wrap or wraparound) in Windows WLAN Service allows an unauthorized attacker to deny service over a network. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows 11 26H1	NVD	Oct 13 19:20 UTC
CVE-2026-83855Integer underflow (wrap or wraparound) in Windows WLAN Service allows an unauthorized attacker to deny service over a network. From the advisory Integer underflow (wrap or wraparound) in Windows WLAN Service allows an unauthorized attacker to deny service over a network. Impact if exploited ConfidentialityNone IntegrityNone AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction None Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows 11 26H1 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:20 UTC Read the advisory
	High	7.0	CVE-2026-83853	Use after free in Windows Hello allows an authorized attacker to elevate privileges locally. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 10 Version 21H2, Microsoft Windows 10 Version 22H2, Microsoft Windows 10 21H2, Microsoft Windows 10 22H2	NVD	Oct 13 19:20 UTC
CVE-2026-83853Use after free in Windows Hello allows an authorized attacker to elevate privileges locally. From the advisory Use after free in Windows Hello allows an authorized attacker to elevate privileges locally. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Local Attack complexity High Privileges required Low User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 10 Version 21H2 Microsoft Windows 10 Version 22H2 Microsoft Windows 10 21H2 Microsoft Windows 10 22H2 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:20 UTC Read the advisory
	High	7.0	CVE-2026-70243	Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2	NVD	Oct 13 19:19 UTC
CVE-2026-70243Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. From the advisory Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Local Attack complexity High Privileges required Low User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:19 UTC Read the advisory
	High	7.0	CVE-2026-70144	Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows 11 26H1	NVD	Oct 13 19:19 UTC
CVE-2026-70144Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally. From the advisory Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Local Attack complexity High Privileges required Low User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows 11 26H1 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:19 UTC Read the advisory
	High	7.8	CVE-2026-70114	Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows Server 2022	NVD	Oct 13 19:19 UTC
CVE-2026-70114Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally. From the advisory Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Local Attack complexity Low Privileges required Low User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows Server 2022 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:19 UTC Read the advisory
	Medium	5.5	CVE-2026-69999	Out-of-bounds read in Windows Update allows an authorized attacker to disclose information locally. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows 11 26H1	NVD	Oct 13 19:19 UTC
CVE-2026-69999Out-of-bounds read in Windows Update allows an authorized attacker to disclose information locally. From the advisory Out-of-bounds read in Windows Update allows an authorized attacker to disclose information locally. Impact if exploited ConfidentialityHigh IntegrityNone AvailabilityNone How it is exploited Attack vector Local Attack complexity Low Privileges required Low User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows 11 26H1 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:19 UTC Read the advisory
	High	7.8	CVE-2026-69942	Buffer over-read in Windows Overlay Filter allows an authorized attacker to execute code locally. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows Server 2022	NVD	Oct 13 19:19 UTC
CVE-2026-69942Buffer over-read in Windows Overlay Filter allows an authorized attacker to execute code locally. From the advisory Buffer over-read in Windows Overlay Filter allows an authorized attacker to execute code locally. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Local Attack complexity Low Privileges required Low User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows Server 2022 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:19 UTC Read the advisory
	High	7.8	CVE-2026-69934	Integer overflow or wraparound in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows Server 2022	NVD	Oct 13 19:19 UTC
CVE-2026-69934Integer overflow or wraparound in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally. From the advisory Integer overflow or wraparound in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Local Attack complexity Low Privileges required Low User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows Server 2022 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:19 UTC Read the advisory
	High	7.8	CVE-2026-69882	Untrusted search path in Windows Update allows an authorized attacker to elevate privileges locally. MicrosoftMicrosoft Windows 11 version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2, Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows 11 26H1	NVD	Oct 13 19:19 UTC
CVE-2026-69882Untrusted search path in Windows Update allows an authorized attacker to elevate privileges locally. From the advisory Untrusted search path in Windows Update allows an authorized attacker to elevate privileges locally. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Local Attack complexity Low Privileges required Low User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Affects Microsoft Microsoft Windows 11 version 23H2 Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 25H2 Microsoft Windows 11 version 26H1 Microsoft Windows 11 Version 26H2 Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 11 23H2 Microsoft Windows 11 24H2 Microsoft Windows 11 25H2 Microsoft Windows 11 26H1 NIST National Vulnerability DatabasePublished Oct 13, 2026 19:19 UTC Read the advisory

Example	Finds
	Every word appears somewhere: title, summaries, IDs, vendor, or product
	An exact phrase
	One vendor. product: for a product, vp: for either
	Commas mean any of them, in every field
	Severity: critical, high, medium, low, or unknown
	CVSS score, with >, >=, <, or <=
	A score range
	Known exploited. is:kev works too, and kev:no leaves them out
	One source, by name
	Confidentiality impact: high, low, none, or any (low or high)
	Integrity and availability work the same way
	An advisory or CVE ID, or part of one
	A minus sign leaves out whatever the term matches

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