Stats

Advisories published each month, by severity, source and vendor.

Advisories
15377
October 2026
Critical
1375
9% of the month
High
6630
43% of the month
Known exploited
44
CISA KEV and vendor reports
Vendors
2547
Named in at least one advisory

Advisories per day, October 2026

  • Critical
  • High
  • Medium
  • Low
  • Not rated

By severity

  • Critical 1,375
  • High 6,630
  • Medium 5,564
  • Low 796
  • None 4
  • Not rated 1,008

By source

  • NVD 13,735
  • Microsoft MSRC 1,464
  • Cisco PSIRT 38
  • Debian Security Advisories 29
  • Red Hat Security Advisories 28
  • CISA KEV 26
  • Palo Alto Networks 16
  • HPE Security Bulletins 15
  • Fortinet PSIRT 12
  • Ubuntu Security Notices 10
  • Sonicwall PSIRT 2
  • Mitel Security Advisories 1
  • Ubiquiti Security Advisories 1

Top vendors

15 of 2547
  • Microsoft 2,931
  • Oracle Corporation 1,078
  • Linux 924
  • Google 703
  • Apache 319
  • IBM 255
  • Red Hat 225
  • Adobe 179
  • Juniper Networks 153
  • Cisco 110
  • Hewlett Packard Enterprise (HPE) 109
  • Frappe 102
  • Mozilla 102
  • jeecgboot 101
  • Eclipse Foundation 78

Month by month

2026 in full

Advisories per month

  • Critical
  • High
  • Medium
  • Low
  • Not rated

Known exploited per month

Month
Advisories
Critical
High
Medium
Low
Known exploited
October 2026 15377 1375 6630 5564 796 44
September 2026 2013 231 877 745 158 10