Patch tracker / Products / Windows 11 Version 26H2
Windows 11 Version 26H2: vulnerabilities and security updates
Every CVE affecting Windows 11 Version 26H2 and the Microsoft update (KB) that fixes it, ranked by real-world risk. Actively exploited (CISA KEV) first, then EPSS exploit probability, on top of CVSS severity.
CVEs
1009
Updates (KBs)
1
Actively exploited (KEV)
1
Critical Severity
42
CVEs affecting Windows 11 Version 26H2
Showing the 250 highest-risk of 1009 CVEs. See all in the CVE reference.
Updates (KBs) for Windows 11 Version 26H2
| Update | Released | Severity | CVSS | EPSS | CVEs | Status |
|---|---|---|---|---|---|---|
| KB5127648 | 2026-10-13 | Critical | 9.8 | 9.8% | 1009 | KEV |
Ranked across all products on the Microsoft patch tracker and the CVE and vulnerability management reference. Browse every product: product index.
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