# Windows Server 2022, 23H2 Edition (Server Core installation) security updates

Patch Radar has 33 security fixes for Windows Server 2022, 23H2 Edition (Server Core installation), closing 1,751 CVEs, 60 of which are being exploited. The newest security fix is KB5087541 (25398.2330), released May 12, 2026. This product is no longer supported.

- Web page: https://patchblox.com/security/product/microsoft/windows-server-2022-23h2-edition-server-core-installation
- Platform: Microsoft
- Vendor: Microsoft
- Supported: no

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [KB5087541](https://patchblox.com/security/data/fix/microsoft/kb5087541.md) | May 12, 2026 | 25398.2330 | Urgent | 58 | 0 |
| [KB5082060](https://patchblox.com/security/data/fix/microsoft/kb5082060.md) | Apr 14, 2026 | 25398.2274 | Patch now | 118 | 1 |
| [KB5078734](https://patchblox.com/security/data/fix/microsoft/kb5078734.md) | Mar 10, 2026 | 25398.2207 | Urgent | 40 | 0 |
| [KB5075897](https://patchblox.com/security/data/fix/microsoft/kb5075897.md) | Feb 10, 2026 | 25398.2149 | Patch now | 29 | 5 |
| [KB5073450](https://patchblox.com/security/data/fix/microsoft/kb5073450.md) | Jan 13, 2026 | 25398.2092 | Patch now | 79 | 1 |
| [KB5071542](https://patchblox.com/security/data/fix/microsoft/kb5071542.md) | Dec 9, 2025 | 25398.2025 | Patch now | 30 | 1 |
| [KB5068779](https://patchblox.com/security/data/fix/microsoft/kb5068779.md) | Nov 11, 2025 | 25398.1965 | Patch now | 32 | 1 |
| [KB5070879](https://patchblox.com/security/data/fix/microsoft/kb5070879.md) | Oct 23, 2025 | 25398.1916 | Patch now | 1 | 1 |
| [KB5066780](https://patchblox.com/security/data/fix/microsoft/kb5066780.md) | Oct 14, 2025 | 25398.1913 | Patch now | 114 | 3 |
| [KB5065425](https://patchblox.com/security/data/fix/microsoft/kb5065425.md) | Sep 9, 2025 | 25398.1849 | Urgent | 61 | 0 |
| [KB5063899](https://patchblox.com/security/data/fix/microsoft/kb5063899.md) | Aug 12, 2025 | 25398.1791 | Urgent | 57 | 0 |
| [KB5062570](https://patchblox.com/security/data/fix/microsoft/kb5062570.md) | Jul 8, 2025 | 25398.1732 | Urgent | 98 | 0 |
| [KB5060118](https://patchblox.com/security/data/fix/microsoft/kb5060118.md) | Jun 10, 2025 | 25398.1665 | Patch now | 39 | 2 |
| [KB5058384](https://patchblox.com/security/data/fix/microsoft/kb5058384.md) | May 13, 2025 | 25398.1611 | Patch now | 43 | 5 |
| [KB5055527](https://patchblox.com/security/data/fix/microsoft/kb5055527.md) | Apr 8, 2025 | 25398.1551 | Patch now | 75 | 1 |
| [KB5053599](https://patchblox.com/security/data/fix/microsoft/kb5053599.md) | Mar 11, 2025 | 25398.1486 | Patch now | 37 | 6 |
| [KB5051980](https://patchblox.com/security/data/fix/microsoft/kb5051980.md) | Feb 11, 2025 | 25398.1425 | Patch now | 34 | 2 |
| [KB5049984](https://patchblox.com/security/data/fix/microsoft/kb5049984.md) | Jan 14, 2025 | 25398.1369 | Patch now | 128 | 3 |
| [KB5048653](https://patchblox.com/security/data/fix/microsoft/kb5048653.md) | Dec 10, 2024 | 25398.1308 | Patch now | 57 | 1 |
| [KB5046618](https://patchblox.com/security/data/fix/microsoft/kb5046618.md) | Nov 12, 2024 | 25398.1251 | Patch now | 35 | 2 |
| [KB5046399](https://patchblox.com/security/data/fix/microsoft/kb5046399.md) | Oct 8, 2024 |  | Routine | 1 | 0 |
| [KB5044288](https://patchblox.com/security/data/fix/microsoft/kb5044288.md) | Oct 8, 2024 | 25398.1189 | Patch now | 86 | 2 |
| [KB5043055](https://patchblox.com/security/data/fix/microsoft/kb5043055.md) | Sep 10, 2024 | 25398.1128 | Patch now | 38 | 3 |
| [KB5041573](https://patchblox.com/security/data/fix/microsoft/kb5041573.md) | Aug 13, 2024 | 25398.1085 | Patch now | 50 | 4 |
| [KB5040438](https://patchblox.com/security/data/fix/microsoft/kb5040438.md) | Jul 9, 2024 | 25398.1009 | Patch now | 88 | 3 |
| [KB5039236](https://patchblox.com/security/data/fix/microsoft/kb5039236.md) | Jun 11, 2024 | 25398.950 | Patch now | 30 | 3 |
| [KB5037781](https://patchblox.com/security/data/fix/microsoft/kb5037781.md) | May 14, 2024 | 25398.887 | Patch now | 48 | 1 |
| [KB5036910](https://patchblox.com/security/data/fix/microsoft/kb5036910.md) | Apr 9, 2024 | 25398.830 | Patch now | 83 | 2 |
| [KB5035856](https://patchblox.com/security/data/fix/microsoft/kb5035856.md) | Mar 12, 2024 | 25398.763 | Patch now | 36 | 1 |
| [KB5034769](https://patchblox.com/security/data/fix/microsoft/kb5034769.md) | Feb 13, 2024 | 25398.709 | Patch now | 43 | 2 |
| [KB5034130](https://patchblox.com/security/data/fix/microsoft/kb5034130.md) | Jan 9, 2024 | 25398.643 | Urgent | 35 | 0 |
| [KB5033383](https://patchblox.com/security/data/fix/microsoft/kb5033383.md) | Dec 12, 2023 | 25398.584 | Urgent | 19 | 0 |
| [KB5032202](https://patchblox.com/security/data/fix/microsoft/kb5032202.md) | Nov 14, 2023 | 25398.531 | Patch now | 31 | 4 |

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Data as of 2026-11-12T07:53:35Z 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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