# Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 security updates

Patch Radar has 21 security fixes for Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022, closing 76 CVEs, 1 of which is being exploited. The newest security fix is KB5127687, released October 13, 2026.

- Web page: https://patchblox.com/security/product/microsoft/microsoft-.net-framework-3.5-and-4.8-on-windows-server-2022
- Platform: Microsoft
- Vendor: Microsoft
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [KB5127687](https://patchblox.com/security/data/fix/microsoft/kb5127687.md) | Oct 13, 2026 |  | Urgent | 19 | 0 |
| [KB5126050](https://patchblox.com/security/data/fix/microsoft/kb5126050.md) | Sep 8, 2026 |  | High | 1 | 0 |
| [KB5120705](https://patchblox.com/security/data/fix/microsoft/kb5120705.md) | Aug 11, 2026 |  | High | 4 | 0 |
| [KB5101010](https://patchblox.com/security/data/fix/microsoft/kb5101010.md) | Jul 14, 2026 |  | High | 17 | 0 |
| [KB5087068](https://patchblox.com/security/data/fix/microsoft/kb5087068.md) | May 18, 2026 |  | High | 2 | 0 |
| [KB5082427](https://patchblox.com/security/data/fix/microsoft/kb5082427.md) | Apr 14, 2026 |  | Urgent | 3 | 0 |
| [KB5066743](https://patchblox.com/security/data/fix/microsoft/kb5066743.md) | Oct 14, 2025 |  | High | 1 | 0 |
| [KB5050187](https://patchblox.com/security/data/fix/microsoft/kb5050187.md) | Jan 14, 2025 |  | High | 1 | 0 |
| [KB5044099](https://patchblox.com/security/data/fix/microsoft/kb5044099.md) | Oct 23, 2024 |  | High | 2 | 0 |
| [KB5041016](https://patchblox.com/security/data/fix/microsoft/kb5041016.md) | Jul 9, 2024 |  | High | 1 | 0 |
| [KB5034272](https://patchblox.com/security/data/fix/microsoft/kb5034272.md) | May 8, 2024 |  | Patch now | 5 | 1 |
| [KB5037033](https://patchblox.com/security/data/fix/microsoft/kb5037033.md) | Apr 9, 2024 |  | High | 1 | 0 |
| [KB5030186](https://patchblox.com/security/data/fix/microsoft/kb5030186.md) | Dec 12, 2023 |  | Urgent | 5 | 0 |
| [KB5032336](https://patchblox.com/security/data/fix/microsoft/kb5032336.md) | Nov 14, 2023 |  | High | 2 | 0 |
| [KB5029655](https://patchblox.com/security/data/fix/microsoft/kb5029655.md) | Aug 8, 2023 |  | High | 2 | 0 |
| [KB5027544](https://patchblox.com/security/data/fix/microsoft/kb5027544.md) | Jun 13, 2023 |  | Urgent | 6 | 0 |
| [KB5027219](https://patchblox.com/security/data/fix/microsoft/kb5027219.md) | Jun 13, 2023 | 14393.5989 | Patch now | 34 | 1 |
| [KB5022735](https://patchblox.com/security/data/fix/microsoft/kb5022735.md) | Feb 14, 2023 |  | Urgent | 2 | 0 |
| [KB5021095](https://patchblox.com/security/data/fix/microsoft/kb5021095.md) | Dec 13, 2022 |  | High | 1 | 0 |
| [KB5012123](https://patchblox.com/security/data/fix/microsoft/kb5012123.md) | Apr 19, 2022 |  | High | 1 | 0 |
| [KB5008882](https://patchblox.com/security/data/fix/microsoft/kb5008882.md) | Jan 11, 2022 |  | High | 1 | 0 |

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Data as of 2026-11-13T01:58:51Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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