# Microsoft Office Web Apps 2013 Service Pack 1 security updates

Patch Radar has 16 security fixes for Microsoft Office Web Apps 2013 Service Pack 1, closing 32 CVEs. The newest security fix is KB4493234, released March 16, 2021. This product is no longer supported.

- Web page: https://patchblox.com/security/product/microsoft/microsoft-office-web-apps-2013-service-pack-1
- Platform: Microsoft
- Vendor: Microsoft
- Supported: no

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [KB4493234](https://patchblox.com/security/data/fix/microsoft/kb4493234.md) | Mar 16, 2021 |  | High | 3 | 0 |
| [KB4486760](https://patchblox.com/security/data/fix/microsoft/kb4486760.md) | Dec 15, 2020 |  | High | 5 | 0 |
| [KB4486727](https://patchblox.com/security/data/fix/microsoft/kb4486727.md) | Nov 10, 2020 |  | High | 2 | 0 |
| [KB4486689](https://patchblox.com/security/data/fix/microsoft/kb4486689.md) | Oct 13, 2020 |  | High | 3 | 0 |
| [KB4484518](https://patchblox.com/security/data/fix/microsoft/kb4484518.md) | Sep 16, 2020 |  | High | 3 | 0 |
| [KB4484481](https://patchblox.com/security/data/fix/microsoft/kb4484481.md) | Aug 11, 2020 |  | High | 2 | 0 |
| [KB4484357](https://patchblox.com/security/data/fix/microsoft/kb4484357.md) | Jul 14, 2020 |  | High | 6 | 0 |
| [KB4475609](https://patchblox.com/security/data/fix/microsoft/kb4475609.md) | Apr 14, 2020 |  | High | 1 | 0 |
| [KB4461551](https://patchblox.com/security/data/fix/microsoft/kb4461551.md) | Dec 11, 2018 |  | Urgent | 1 | 0 |
| [KB4022238](https://patchblox.com/security/data/fix/microsoft/kb4022238.md) | Aug 14, 2018 |  | High | 1 | 0 |
| [KB4011692](https://patchblox.com/security/data/fix/microsoft/kb4011692.md) | Mar 13, 2018 |  | Urgent | 2 | 0 |
| [KB3213562](https://patchblox.com/security/data/fix/microsoft/kb3213562.md) | Sep 15, 2017 |  | Urgent | 2 | 0 |
| [KB3203391](https://patchblox.com/security/data/fix/microsoft/kb3203391.md) | Jun 13, 2017 |  | High | 3 | 0 |
| [KB3191888](https://patchblox.com/security/data/fix/microsoft/kb3191888.md) | May 9, 2017 |  | High | 2 | 0 |
| [KB3115289](https://patchblox.com/security/data/fix/microsoft/kb3115289.md) | Jul 12, 2016 |  | High | 1 | 0 |
| [KB3115170](https://patchblox.com/security/data/fix/microsoft/kb3115170.md) | Jun 14, 2016 |  | High | 1 | 0 |

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Data as of 2026-11-12T13:55:20Z 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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