# Internet Explorer 11 on Windows Server 2012 security updates

Patch Radar has 31 security fixes for Internet Explorer 11 on Windows Server 2012, closing 74 CVEs, 7 of which are being exploited. The newest security fix is KB5003208, released May 11, 2021. This product is no longer supported.

- Web page: https://patchblox.com/security/product/microsoft/internet-explorer-11-on-windows-server-2012
- Platform: Microsoft
- Vendor: Microsoft
- Supported: no

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [KB5003208](https://patchblox.com/security/data/fix/microsoft/kb5003208.md) | May 11, 2021 |  | Urgent | 12 | 0 |
| [KB5003165](https://patchblox.com/security/data/fix/microsoft/kb5003165.md) | May 11, 2021 |  | Urgent | 1 | 0 |
| [KB5000847](https://patchblox.com/security/data/fix/microsoft/kb5000847.md) | Mar 9, 2021 |  | Patch now | 28 | 1 |
| [KB5000800](https://patchblox.com/security/data/fix/microsoft/kb5000800.md) | Mar 9, 2021 |  | Patch now | 1 | 1 |
| [KB4586834](https://patchblox.com/security/data/fix/microsoft/kb4586834.md) | Nov 10, 2020 |  | Urgent | 23 | 0 |
| [KB4586768](https://patchblox.com/security/data/fix/microsoft/kb4586768.md) | Nov 10, 2020 |  | Urgent | 1 | 0 |
| [KB4577038](https://patchblox.com/security/data/fix/microsoft/kb4577038.md) | Sep 8, 2020 |  | Patch now | 47 | 1 |
| [KB4577010](https://patchblox.com/security/data/fix/microsoft/kb4577010.md) | Sep 8, 2020 |  | Patch now | 2 | 1 |
| [KB4571736](https://patchblox.com/security/data/fix/microsoft/kb4571736.md) | Aug 11, 2020 |  | Patch now | 42 | 2 |
| [KB4571687](https://patchblox.com/security/data/fix/microsoft/kb4571687.md) | Aug 11, 2020 |  | Patch now | 3 | 1 |
| [KB4565537](https://patchblox.com/security/data/fix/microsoft/kb4565537.md) | Jul 14, 2020 |  | Patch now | 42 | 1 |
| [KB4565479](https://patchblox.com/security/data/fix/microsoft/kb4565479.md) | Jul 14, 2020 |  | Urgent | 2 | 0 |
| [KB4561612](https://patchblox.com/security/data/fix/microsoft/kb4561612.md) | Jun 9, 2020 |  | Patch now | 45 | 1 |
| [KB4561603](https://patchblox.com/security/data/fix/microsoft/kb4561603.md) | Jun 9, 2020 |  | Urgent | 9 | 0 |
| [KB4556840](https://patchblox.com/security/data/fix/microsoft/kb4556840.md) | May 12, 2020 |  | Patch now | 34 | 1 |
| [KB4556798](https://patchblox.com/security/data/fix/microsoft/kb4556798.md) | May 12, 2020 |  | Urgent | 7 | 0 |
| [KB4550917](https://patchblox.com/security/data/fix/microsoft/kb4550917.md) | Apr 14, 2020 |  | Patch now | 40 | 4 |
| [KB4550905](https://patchblox.com/security/data/fix/microsoft/kb4550905.md) | Apr 14, 2020 |  | Patch now | 4 | 1 |
| [KB4541510](https://patchblox.com/security/data/fix/microsoft/kb4541510.md) | Mar 10, 2020 |  | Patch now | 48 | 1 |
| [KB4540671](https://patchblox.com/security/data/fix/microsoft/kb4540671.md) | Mar 10, 2020 |  | Urgent | 6 | 0 |
| [KB4537814](https://patchblox.com/security/data/fix/microsoft/kb4537814.md) | Feb 11, 2020 |  | Patch now | 53 | 2 |
| [KB4537767](https://patchblox.com/security/data/fix/microsoft/kb4537767.md) | Feb 11, 2020 |  | Patch now | 3 | 1 |
| [KB4534251](https://patchblox.com/security/data/fix/microsoft/kb4534251.md) | Jan 14, 2020 |  | Routine | 1 | 0 |
| [KB4530677](https://patchblox.com/security/data/fix/microsoft/kb4530677.md) | Dec 10, 2019 |  | Urgent | 1 | 0 |
| [KB4525106](https://patchblox.com/security/data/fix/microsoft/kb4525106.md) | Nov 12, 2019 |  | Patch now | 2 | 1 |
| [KB4519974](https://patchblox.com/security/data/fix/microsoft/kb4519974.md) | Oct 8, 2019 |  | Patch now | 6 | 1 |
| [KB4516046](https://patchblox.com/security/data/fix/microsoft/kb4516046.md) | Sep 10, 2019 |  | Urgent | 4 | 0 |
| [KB4511872](https://patchblox.com/security/data/fix/microsoft/kb4511872.md) | Aug 13, 2019 |  | Routine | 3 | 0 |
| [KB4507434](https://patchblox.com/security/data/fix/microsoft/kb4507434.md) | Jul 9, 2019 |  | Urgent | 6 | 0 |
| [KB4503259](https://patchblox.com/security/data/fix/microsoft/kb4503259.md) | Jun 11, 2019 |  | Urgent | 7 | 0 |
| [KB4498206](https://patchblox.com/security/data/fix/microsoft/kb4498206.md) | May 14, 2019 |  | Urgent | 6 | 0 |

---

Data as of 2026-11-11T13:47:35Z 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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