# Microsoft Outlook 2016 (32-bit edition) security updates

Patch Radar has 38 security fixes for Microsoft Outlook 2016 (32-bit edition), closing 56 CVEs, 3 of which are being exploited. The newest security fix is KB5002919, released September 8, 2026. This product is no longer supported.

- Web page: https://patchblox.com/security/product/microsoft/microsoft-outlook-2016-32-bit-edition
- Platform: Microsoft
- Vendor: Microsoft
- Supported: no

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [KB5002919](https://patchblox.com/security/data/fix/microsoft/kb5002919.md) | Sep 8, 2026 |  | Urgent | 3 | 0 |
| [KB5002755](https://patchblox.com/security/data/fix/microsoft/kb5002755.md) | Aug 11, 2026 |  | Urgent | 3 | 0 |
| [KB5002839](https://patchblox.com/security/data/fix/microsoft/kb5002839.md) | Feb 10, 2026 |  | Urgent | 2 | 0 |
| [KB5002747](https://patchblox.com/security/data/fix/microsoft/kb5002747.md) | Jul 15, 2025 |  | High | 1 | 0 |
| [KB5002683](https://patchblox.com/security/data/fix/microsoft/kb5002683.md) | Jun 10, 2025 |  | Routine | 1 | 0 |
| [KB5002656](https://patchblox.com/security/data/fix/microsoft/kb5002656.md) | Jan 14, 2025 |  | Routine | 1 | 0 |
| [KB5002626](https://patchblox.com/security/data/fix/microsoft/kb5002626.md) | Aug 13, 2024 |  | Routine | 1 | 0 |
| [KB5002621](https://patchblox.com/security/data/fix/microsoft/kb5002621.md) | Jul 9, 2024 |  | Routine | 1 | 0 |
| [KB5002600](https://patchblox.com/security/data/fix/microsoft/kb5002600.md) | Jun 11, 2024 |  | High | 1 | 0 |
| [KB5002543](https://patchblox.com/security/data/fix/microsoft/kb5002543.md) | Feb 13, 2024 |  | Urgent | 1 | 0 |
| [KB5002499](https://patchblox.com/security/data/fix/microsoft/kb5002499.md) | Sep 12, 2023 |  | High | 1 | 0 |
| [KB5002387](https://patchblox.com/security/data/fix/microsoft/kb5002387.md) | Aug 21, 2023 |  | High | 1 | 0 |
| [KB5002459](https://patchblox.com/security/data/fix/microsoft/kb5002459.md) | Aug 8, 2023 |  | Routine | 1 | 0 |
| [KB5002427](https://patchblox.com/security/data/fix/microsoft/kb5002427.md) | Jul 11, 2023 |  | Patch now | 2 | 1 |
| [KB5002254](https://patchblox.com/security/data/fix/microsoft/kb5002254.md) | Mar 14, 2023 |  | Patch now | 1 | 1 |
| [KB5002051](https://patchblox.com/security/data/fix/microsoft/kb5002051.md) | Aug 9, 2022 |  | High | 1 | 0 |
| [KB5001942](https://patchblox.com/security/data/fix/microsoft/kb5001942.md) | Jun 8, 2021 |  | High | 1 | 0 |
| [KB4504712](https://patchblox.com/security/data/fix/microsoft/kb4504712.md) | Apr 13, 2021 |  | High | 1 | 0 |
| [KB4486748](https://patchblox.com/security/data/fix/microsoft/kb4486748.md) | Dec 8, 2020 |  | Routine | 1 | 0 |
| [KB4486671](https://patchblox.com/security/data/fix/microsoft/kb4486671.md) | Oct 15, 2020 |  | Urgent | 2 | 0 |
| [KB4484475](https://patchblox.com/security/data/fix/microsoft/kb4484475.md) | Aug 11, 2020 |  | Urgent | 2 | 0 |
| [KB4484433](https://patchblox.com/security/data/fix/microsoft/kb4484433.md) | Jul 14, 2020 |  | Urgent | 1 | 0 |
| [KB4484274](https://patchblox.com/security/data/fix/microsoft/kb4484274.md) | Apr 14, 2020 |  | High | 1 | 0 |
| [KB4484250](https://patchblox.com/security/data/fix/microsoft/kb4484250.md) | Feb 11, 2020 |  | High | 1 | 0 |
| [KB4475553](https://patchblox.com/security/data/fix/microsoft/kb4475553.md) | Aug 13, 2019 |  | Urgent | 2 | 0 |
| [KB4475517](https://patchblox.com/security/data/fix/microsoft/kb4475517.md) | Jul 9, 2019 |  | High | 1 | 0 |
| [KB4461601](https://patchblox.com/security/data/fix/microsoft/kb4461601.md) | Jan 8, 2019 |  | High | 1 | 0 |
| [KB4461544](https://patchblox.com/security/data/fix/microsoft/kb4461544.md) | Dec 11, 2018 |  | Urgent | 1 | 0 |
| [KB4461506](https://patchblox.com/security/data/fix/microsoft/kb4461506.md) | Nov 13, 2018 |  | Urgent | 4 | 0 |
| [KB4022160](https://patchblox.com/security/data/fix/microsoft/kb4022160.md) | Jun 12, 2018 |  | High | 1 | 0 |
| [KB4011682](https://patchblox.com/security/data/fix/microsoft/kb4011682.md) | Feb 13, 2018 |  | Urgent | 2 | 0 |
| [KB4011626](https://patchblox.com/security/data/fix/microsoft/kb4011626.md) | Jan 9, 2018 |  | High | 1 | 0 |
| [KB4011162](https://patchblox.com/security/data/fix/microsoft/kb4011162.md) | Oct 10, 2017 |  | Patch now | 2 | 1 |
| [KB4011052](https://patchblox.com/security/data/fix/microsoft/kb4011052.md) | Jul 27, 2017 |  | High | 3 | 0 |
| [KB3191932](https://patchblox.com/security/data/fix/microsoft/kb3191932.md) | Jun 13, 2017 |  | High | 3 | 0 |
| [KB3178664](https://patchblox.com/security/data/fix/microsoft/kb3178664.md) | Apr 11, 2017 |  | Urgent | 2 | 0 |
| [KB3118293](https://patchblox.com/security/data/fix/microsoft/kb3118293.md) | Sep 13, 2016 |  | High | 1 | 0 |
| [KB3115279](https://patchblox.com/security/data/fix/microsoft/kb3115279.md) | Jul 12, 2016 |  | High | 1 | 0 |

---

Data as of 2026-11-11T19:49:26Z 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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