# Microsoft .NET Framework 3.5 on Windows Server, version 1803  (Server Core Installation) security updates

Patch Radar has 11 security fixes for Microsoft .NET Framework 3.5 on Windows Server, version 1803  (Server Core Installation), closing 20 CVEs. The newest security fix is KB4516058 (17134.1006), released September 10, 2019. This product is no longer supported.

- Web page: https://patchblox.com/security/product/microsoft/microsoft-.net-framework-3.5-on-windows-server-version-1803-server-core-installation
- Platform: Microsoft
- Vendor: Microsoft
- Supported: no

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [KB4516058](https://patchblox.com/security/data/fix/microsoft/kb4516058.md) | Sep 10, 2019 | 17134.1006 | Patch now | 56 | 3 |
| [KB4507435](https://patchblox.com/security/data/fix/microsoft/kb4507435.md) | Jul 9, 2019 | 17134.885 | Patch now | 56 | 3 |
| [KB4499167](https://patchblox.com/security/data/fix/microsoft/kb4499167.md) | May 14, 2019 | 17134.765 | Patch now | 56 | 2 |
| [KB4487017](https://patchblox.com/security/data/fix/microsoft/kb4487017.md) | Feb 12, 2019 | 17134.590 | Patch now | 52 | 1 |
| [KB4480966](https://patchblox.com/security/data/fix/microsoft/kb4480966.md) | Jan 8, 2019 | 17134.523 | Patch now | 33 | 2 |
| [KB4471324](https://patchblox.com/security/data/fix/microsoft/kb4471324.md) | Dec 11, 2018 | 17134.471 | Patch now | 23 | 2 |
| [KB4457128](https://patchblox.com/security/data/fix/microsoft/kb4457128.md) | Sep 11, 2018 | 17134.285 | Patch now | 47 | 1 |
| [KB4343909](https://patchblox.com/security/data/fix/microsoft/kb4343909.md) | Aug 14, 2018 | 17134.228 | Patch now | 44 | 4 |
| [KB4345421](https://patchblox.com/security/data/fix/microsoft/kb4345421.md) | Jul 16, 2018 | 17134.167 | Urgent | 33 | 0 |
| [KB4338819](https://patchblox.com/security/data/fix/microsoft/kb4338819.md) | Jul 10, 2018 | 17134.165 | Urgent | 33 | 0 |
| [KB4103721](https://patchblox.com/security/data/fix/microsoft/kb4103721.md) | May 8, 2018 | 17134.48 | Patch now | 39 | 2 |

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Data as of 2026-11-12T01:51:14Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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