Patch tracker / Products / Windows Server 2012 R2
Windows Server 2012 R2: vulnerabilities and security updates
Every CVE affecting Windows Server 2012 R2 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
2293
Updates (KBs)
45
Actively exploited (KEV)
40
Critical Severity
115
CVEs affecting Windows Server 2012 R2
Showing the 250 highest-risk of 2293 CVEs. See all in the CVE reference.
Updates (KBs) for Windows Server 2012 R2
| Update | Released | Severity | CVSS | EPSS | CVEs | Status |
|---|---|---|---|---|---|---|
| KB5053887 | 2025-03-11 | High | 8.8 | 62% | 25 | KEVRansomware |
| KB5055557 | 2025-04-08 | High | 8.8 | 14% | 55 | KEVRansomware |
| KB5070886 | 2025-10-14 | Critical | 9.8 | 100% | 1 | KEV |
| KB5046682 | 2024-11-12 | Critical | 9.8 | 85% | 22 | KEV |
| KB5048735 | 2024-12-10 | Critical | 9.8 | 84% | 26 | KEV |
| KB5060996 | 2025-06-10 | High | 8.8 | 87% | 1 | KEV |
| KB5061018 | 2025-06-10 | High | 8.8 | 87% | 23 | KEV |
| KB5046630 | 2024-11-12 | Medium | 6.5 | 85% | 1 | KEV |
| KB5041828 | 2024-08-13 | Critical | 9.8 | 71% | 38 | KEV |
| KB5044343 | 2024-10-08 | Critical | 9.0 | 67% | 49 | KEV |
| KB5043138 | 2024-09-10 | High | 8.8 | 54% | 22 | KEV |
| KB5052042 | 2025-02-11 | High | 8.8 | 40% | 23 | KEV |
| KB5041770 | 2024-08-13 | High | 7.5 | 41% | 1 | KEV |
| KB5058403 | 2025-05-13 | High | 8.8 | 33% | 34 | KEV |
| KB5075970 | 2026-02-10 | High | 8.8 | 25% | 15 | KEV |
| KB5058380 | 2025-05-13 | High | 7.5 | 27% | 1 | KEV |
| KB5073696 | 2026-01-13 | High | 8.8 | 20% | 37 | KEV |
| KB5099444 | 2026-07-14 | Critical | 9.9 | 4.9% | 186 | KEV |
| KB5123066 | 2026-09-08 | Critical | 9.8 | 3.6% | 423 | KEV |
| KB5126836 | 2026-10-13 | Critical | 9.8 | 2.9% | 649 | KEV |
| KB5066873 | 2025-10-14 | High | 8.8 | 6.4% | 50 | KEV |
| KB5039294 | 2024-08-13 | Medium | 6.5 | 14% | 1 | KEV |
| KB5120385 | 2026-08-11 | Critical | 9.8 | 1.2% | 142 | KEV |
| KB5050048 | 2025-01-14 | Critical | 9.8 | 81% | 96 | - |
| KB5063950 | 2025-08-12 | Critical | 9.8 | 51% | 47 | - |
| KB5062597 | 2025-07-08 | Critical | 9.8 | 41% | 63 | - |
| KB5051972 | 2025-02-11 | Medium | 6.5 | 40% | 1 | - |
| KB5065507 | 2025-09-09 | High | 8.8 | 25% | 35 | - |
| KB5068905 | 2025-11-11 | Critical | 9.8 | 6.3% | 18 | - |
| KB5094041 | 2026-06-09 | Critical | 9.8 | 2.3% | 67 | - |
| KB5087471 | 2026-05-12 | Critical | 9.8 | 1.2% | 42 | - |
| KB5078774 | 2026-03-10 | High | 8.8 | 4.9% | 32 | - |
| KB5082126 | 2026-04-14 | High | 8.8 | 3.5% | 60 | - |
| KB5071503 | 2025-12-09 | High | 8.8 | 2.2% | 11 | - |
| KB5066840 | 2025-10-14 | High | 8.8 | 1.9% | 3 | - |
| KB5055515 | 2025-04-08 | High | 8.6 | 0.8% | 1 | - |
| KB5049994 | 2025-01-14 | High | 7.5 | 4.6% | 7 | - |
| KB5040456 | 2024-08-13 | High | 7.8 | 0.5% | 1 | - |
| KB5082806 | 2026-04-14 | High | 7.8 | 0.4% | 1 | - |
| KB5094006 | 2026-06-09 | High | 7.8 | 0.3% | 1 | - |
| KB5099415 | 2026-07-14 | High | 7.8 | 0.3% | 1 | - |
| KB5127356 | 2026-10-13 | High | 7.8 | 0.3% | 2 | - |
| KB5078738 | 2026-03-10 | High | 7.5 | 1.2% | 1 | - |
| KB5053593 | 2025-03-11 | Medium | 4.3 | 3.0% | 1 | - |
| KB5065435 | 2025-09-09 | Medium | 4.3 | 1.0% | 2 | - |
Ranked across all products on the Microsoft patch tracker and the CVE and vulnerability management reference. Browse every product: product index.