# Windows Server, version 20H2 (Server Core Installation) security updates

Patch Radar has 24 security fixes for Windows Server, version 20H2 (Server Core Installation), closing 977 CVEs, 39 of which are being exploited. The newest security fix is KB5012170, released August 9, 2022. This product is no longer supported.

- Web page: https://patchblox.com/security/product/microsoft/windows-server-version-20h2-server-core-installation
- Platform: Microsoft
- Vendor: Microsoft
- Supported: no

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [KB5012170](https://patchblox.com/security/data/fix/microsoft/kb5012170.md) | Aug 9, 2022 |  | Urgent | 4 | 0 |
| [KB5016616](https://patchblox.com/security/data/fix/microsoft/kb5016616.md) | Aug 9, 2022 |  | Patch now | 62 | 1 |
| [KB5015807](https://patchblox.com/security/data/fix/microsoft/kb5015807.md) | Jul 12, 2022 |  | Patch now | 48 | 1 |
| [KB5014699](https://patchblox.com/security/data/fix/microsoft/kb5014699.md) | Jun 14, 2022 |  | Patch now | 32 | 1 |
| [KB5013942](https://patchblox.com/security/data/fix/microsoft/kb5013942.md) | May 10, 2022 |  | Patch now | 60 | 2 |
| [KB5012599](https://patchblox.com/security/data/fix/microsoft/kb5012599.md) | Apr 12, 2022 |  | Patch now | 96 | 2 |
| [KB5011487](https://patchblox.com/security/data/fix/microsoft/kb5011487.md) | Mar 8, 2022 |  | Urgent | 31 | 0 |
| [KB5010342](https://patchblox.com/security/data/fix/microsoft/kb5010342.md) | Feb 8, 2022 |  | Patch now | 21 | 3 |
| [KB5009543](https://patchblox.com/security/data/fix/microsoft/kb5009543.md) | Jan 11, 2022 |  | Patch now | 80 | 2 |
| [KB5008212](https://patchblox.com/security/data/fix/microsoft/kb5008212.md) | Dec 14, 2021 |  | Patch now | 32 | 2 |
| [KB5007186](https://patchblox.com/security/data/fix/microsoft/kb5007186.md) | Nov 9, 2021 |  | Patch now | 29 | 3 |
| [KB5006670](https://patchblox.com/security/data/fix/microsoft/kb5006670.md) | Oct 12, 2021 |  | Patch now | 46 | 3 |
| [KB5005565](https://patchblox.com/security/data/fix/microsoft/kb5005565.md) | Sep 14, 2021 |  | Patch now | 34 | 2 |
| [KB5005033](https://patchblox.com/security/data/fix/microsoft/kb5005033.md) | Aug 10, 2021 |  | Patch now | 27 | 5 |
| [KB5004237](https://patchblox.com/security/data/fix/microsoft/kb5004237.md) | Jul 13, 2021 |  | Patch now | 82 | 3 |
| [KB5004945](https://patchblox.com/security/data/fix/microsoft/kb5004945.md) | Jul 6, 2021 |  | Patch now | 1 | 1 |
| [KB5003637](https://patchblox.com/security/data/fix/microsoft/kb5003637.md) | Jun 8, 2021 |  | Patch now | 24 | 7 |
| [KB5003173](https://patchblox.com/security/data/fix/microsoft/kb5003173.md) | May 11, 2021 |  | Patch now | 25 | 1 |
| [KB5001330](https://patchblox.com/security/data/fix/microsoft/kb5001330.md) | Apr 13, 2021 |  | Patch now | 79 | 1 |
| [KB5000802](https://patchblox.com/security/data/fix/microsoft/kb5000802.md) | Mar 9, 2021 |  | Patch now | 50 | 2 |
| [KB4601319](https://patchblox.com/security/data/fix/microsoft/kb4601319.md) | Feb 9, 2021 |  | Patch now | 29 | 2 |
| [KB4598242](https://patchblox.com/security/data/fix/microsoft/kb4598242.md) | Jan 12, 2021 |  | Urgent | 62 | 0 |
| [KB4592438](https://patchblox.com/security/data/fix/microsoft/kb4592438.md) | Dec 8, 2020 |  | Urgent | 20 | 0 |
| [KB4586781](https://patchblox.com/security/data/fix/microsoft/kb4586781.md) | Nov 10, 2020 |  | Patch now | 57 | 1 |

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Data as of 2026-11-10T13:56:55Z 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

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

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