Patch tracker / Products / Windows 11 Version 25H2
Windows 11 Version 25H2: vulnerabilities and security updates
Every CVE affecting Windows 11 Version 25H2 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
373
Updates (KBs)
28
Actively exploited (KEV)
7
Critical Severity
57
CVEs affecting Windows 11 Version 25H2
Showing the 250 highest-risk of 373 CVEs. See all in the CVE reference.
Updates (KBs) for Windows 11 Version 25H2
| Update | Released | Severity | CVSS | EPSS | CVEs | Status |
|---|---|---|---|---|---|---|
| KB5072014 | 2025-12-09 | High | 8.8 | 4.6% | 33 | KEVRansomware |
| KB5072033 | 2025-12-09 | High | 8.8 | 4.6% | 34 | KEVRansomware |
| KB5082063 | 2026-04-14 | Critical | 9.8 | 73% | 124 | KEV |
| KB5083769 | 2026-04-14 | Critical | 9.8 | 73% | 121 | KEV |
| KB5073379 | 2026-01-13 | Critical | 9.8 | 73% | 86 | KEV |
| KB5073450 | 2026-01-13 | Critical | 9.8 | 73% | 80 | KEV |
| KB5073455 | 2026-01-13 | Critical | 9.8 | 73% | 80 | KEV |
| KB5073457 | 2026-01-13 | Critical | 9.8 | 73% | 78 | KEV |
| KB5073723 | 2026-01-13 | Critical | 9.8 | 73% | 73 | KEV |
| KB5073724 | 2026-01-13 | Critical | 9.8 | 73% | 73 | KEV |
| KB5074109 | 2026-01-13 | Critical | 9.8 | 73% | 86 | KEV |
| KB5066872 | 2025-10-14 | High | 8.8 | 6.4% | 37 | KEV |
| KB5066873 | 2025-10-14 | High | 8.8 | 6.4% | 50 | KEV |
| KB5066874 | 2025-10-14 | High | 8.8 | 6.4% | 34 | KEV |
| KB5066875 | 2025-10-14 | High | 8.8 | 6.4% | 46 | KEV |
| KB5066876 | 2025-10-14 | High | 8.8 | 6.4% | 37 | KEV |
| KB5066877 | 2025-10-14 | High | 8.8 | 6.4% | 34 | KEV |
| KB5071413 | 2025-12-09 | High | 8.8 | 2.5% | 28 | KEV |
| KB5071417 | 2025-12-09 | High | 8.8 | 2.5% | 30 | KEV |
| KB5071542 | 2025-12-09 | High | 8.8 | 2.5% | 30 | KEV |
| KB5071544 | 2025-12-09 | High | 8.8 | 2.5% | 26 | KEV |
| KB5071546 | 2025-12-09 | High | 8.8 | 2.5% | 28 | KEV |
| KB5071547 | 2025-12-09 | High | 8.8 | 2.5% | 29 | KEV |
| KB5087423 | 2026-06-09 | Critical | 9.8 | 80% | 66 | - |
| KB5087539 | 2026-06-09 | Critical | 9.8 | 80% | 66 | - |
| KB5089466 | 2026-06-09 | Critical | 9.8 | 4.7% | 61 | - |
| KB5089549 | 2026-06-09 | Critical | 9.8 | 4.7% | 61 | - |
| KB5066840 | 2025-10-14 | High | 8.8 | 1.9% | 3 | - |
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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