Patch tracker / Products / .NET 9.0 installed on Linux
.NET 9.0 installed on Linux: vulnerabilities and security updates
Every CVE affecting .NET 9.0 installed on Linux 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
3
Updates (KBs)
15
Actively exploited (KEV)
0
Critical Severity
2
CVEs affecting .NET 9.0 installed on Linux
| CVE | Severity | CVSS | EPSS | Status |
|---|---|---|---|---|
| CVE-2025-55248 | Critical | 9.9 | 66% | - |
| CVE-2025-55315 | Critical | 9.9 | 66% | - |
| CVE-2025-55247 | High | 7.3 | 66% | - |
Updates (KBs) for .NET 9.0 installed on Linux
| Update | Released | Severity | CVSS | EPSS | CVEs | Status |
|---|---|---|---|---|---|---|
| KB5068331 | 2025-10-14 | Critical | 9.9 | 66% | 3 | - |
| KB5068332 | 2025-10-14 | Critical | 9.9 | 66% | 3 | - |
| KB5066128 | 2025-10-14 | Medium | 4.8 | 0.7% | 1 | - |
| KB5066129 | 2025-10-14 | Medium | 4.8 | 0.7% | 1 | - |
| KB5066131 | 2025-10-14 | Medium | 4.8 | 0.7% | 1 | - |
| KB5066133 | 2025-10-14 | Medium | 4.8 | 0.7% | 1 | - |
| KB5066136 | 2025-10-14 | Medium | 4.8 | 0.7% | 1 | - |
| KB5066738 | 2025-10-14 | Medium | 4.8 | 0.7% | 1 | - |
| KB5066739 | 2025-10-14 | Medium | 4.8 | 0.7% | 1 | - |
| KB5066740 | 2025-10-14 | Medium | 4.8 | 0.7% | 1 | - |
| KB5066741 | 2025-10-14 | Medium | 4.8 | 0.7% | 1 | - |
| KB5066742 | 2025-10-14 | Medium | 4.8 | 0.7% | 1 | - |
| KB5066743 | 2025-10-14 | Medium | 4.8 | 0.7% | 1 | - |
| KB5066746 | 2025-10-14 | Medium | 4.8 | 0.7% | 1 | - |
| KB5066747 | 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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