Patch tracker / Products / Microsoft .NET Framework 4.8 on Windows Server 2012 R2
Microsoft .NET Framework 4.8 on Windows Server 2012 R2: vulnerabilities and security updates
Every CVE affecting Microsoft .NET Framework 4.8 on 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
31
Updates (KBs)
11
Actively exploited (KEV)
0
Critical Severity
3
CVEs affecting Microsoft .NET Framework 4.8 on Windows Server 2012 R2
| CVE | Severity | CVSS | EPSS | Status |
|---|---|---|---|---|
| CVE-2025-21176 | High | 8.8 | 81% | - |
| CVE-2025-55248 | Critical | 9.9 | 66% | - |
| CVE-2024-43483 | High | 7.5 | 67% | - |
| CVE-2024-43484 | High | 7.5 | 67% | - |
| CVE-2026-50324 | Critical | 9.9 | 4.9% | - |
| CVE-2026-50659 | Critical | 9.9 | 4.9% | - |
| CVE-2026-69522 | High | 8.8 | 3.6% | - |
| CVE-2026-47304 | High | 8.1 | 4.9% | - |
| CVE-2026-62872 | High | 8.8 | 1.2% | - |
| CVE-2026-50646 | High | 7.8 | 4.9% | - |
| CVE-2026-50649 | High | 7.8 | 4.9% | - |
| CVE-2026-50650 | High | 7.8 | 4.9% | - |
| CVE-2026-47302 | High | 7.5 | 4.9% | - |
| CVE-2026-50304 | High | 7.5 | 4.9% | - |
| CVE-2026-50355 | High | 7.5 | 4.9% | - |
| CVE-2026-50368 | High | 7.5 | 4.9% | - |
| CVE-2026-50411 | High | 7.5 | 4.9% | - |
| CVE-2026-50525 | High | 7.5 | 4.9% | - |
| CVE-2026-50527 | High | 7.5 | 4.9% | - |
| CVE-2026-50647 | High | 7.5 | 4.9% | - |
| CVE-2026-50648 | High | 7.5 | 4.9% | - |
| CVE-2026-50652 | High | 7.5 | 4.9% | - |
| CVE-2026-50653 | High | 7.5 | 4.9% | - |
| CVE-2026-62886 | High | 7.8 | 3.6% | - |
| CVE-2026-23666 | High | 7.5 | 2.4% | - |
| CVE-2026-32226 | High | 7.5 | 2.4% | - |
| CVE-2026-33116 | High | 7.5 | 2.4% | - |
| CVE-2026-70354 | High | 7.8 | 1.2% | - |
| CVE-2026-65810 | High | 7.8 | 1.2% | - |
| CVE-2026-32177 | High | 7.3 | 2.4% | - |
| CVE-2026-35433 | High | 7.3 | 2.4% | - |
Updates (KBs) for Microsoft .NET Framework 4.8 on Windows Server 2012 R2
| Update | Released | Severity | CVSS | EPSS | CVEs | Status |
|---|---|---|---|---|---|---|
| KB5050185 | 2025-01-14 | High | 8.8 | 2.4% | 1 | - |
| KB5101011 | 2026-07-14 | High | 8.1 | 4.0% | 17 | - |
| KB5126051 | 2026-09-08 | High | 8.8 | 0.9% | 2 | - |
| KB5120706 | 2026-08-11 | High | 8.8 | 0.8% | 3 | - |
| KB5044097 | 2024-10-08 | High | 7.5 | 3.0% | 2 | - |
| KB5082403 | 2026-04-14 | High | 7.5 | 2.4% | 3 | - |
| KB5082411 | 2026-04-14 | High | 7.5 | 2.4% | 3 | - |
| KB5082404 | 2026-04-14 | High | 7.5 | 1.3% | 2 | - |
| KB5087063 | 2026-05-12 | High | 7.3 | 0.6% | 2 | - |
| KB5087069 | 2026-05-12 | High | 7.3 | 0.6% | 1 | - |
| KB5066741 | 2025-10-14 | Medium | 4.8 | 0.7% | 1 | - |
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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KB5122876 install notes and severity
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