# Microsoft Office Online Server security updates Patch Radar has 39 security fixes for Microsoft Office Online Server, closing 86 CVEs. The newest security fix is KB5002648, released November 12, 2024. This product is no longer supported. - Web page: https://patchblox.com/security/product/microsoft/microsoft-office-online-server - Platform: Microsoft - Vendor: Microsoft - Supported: no ## Security fixes, newest first | Fix | Released | Fixed in | Priority | CVEs | Exploited | |---|---|---|---|---:|---:| | [KB5002648](https://patchblox.com/security/data/fix/microsoft/kb5002648.md) | Nov 12, 2024 | | High | 1 | 0 | | [KB5002601](https://patchblox.com/security/data/fix/microsoft/kb5002601.md) | Sep 10, 2024 | | High | 1 | 0 | | [KB5002470](https://patchblox.com/security/data/fix/microsoft/kb5002470.md) | Sep 12, 2023 | | High | 1 | 0 | | [KB5002435](https://patchblox.com/security/data/fix/microsoft/kb5002435.md) | Aug 8, 2023 | | High | 2 | 0 | | [KB5002421](https://patchblox.com/security/data/fix/microsoft/kb5002421.md) | Jul 11, 2023 | | Routine | 1 | 0 | | [KB5002401](https://patchblox.com/security/data/fix/microsoft/kb5002401.md) | Jun 13, 2023 | | High | 3 | 0 | | [KB5002372](https://patchblox.com/security/data/fix/microsoft/kb5002372.md) | May 9, 2023 | | High | 1 | 0 | | [KB5002356](https://patchblox.com/security/data/fix/microsoft/kb5002356.md) | Mar 14, 2023 | | High | 2 | 0 | | [KB5002309](https://patchblox.com/security/data/fix/microsoft/kb5002309.md) | Feb 17, 2023 | | Urgent | 1 | 0 | | [KB5002276](https://patchblox.com/security/data/fix/microsoft/kb5002276.md) | Nov 8, 2022 | | High | 5 | 0 | | [KB5002228](https://patchblox.com/security/data/fix/microsoft/kb5002228.md) | Aug 9, 2022 | | High | 1 | 0 | | [KB5002210](https://patchblox.com/security/data/fix/microsoft/kb5002210.md) | Jun 14, 2022 | | Routine | 3 | 0 | | [KB5002205](https://patchblox.com/security/data/fix/microsoft/kb5002205.md) | May 10, 2022 | | High | 1 | 0 | | [KB5002162](https://patchblox.com/security/data/fix/microsoft/kb5002162.md) | Apr 12, 2022 | | High | 1 | 0 | | [KB5002133](https://patchblox.com/security/data/fix/microsoft/kb5002133.md) | Feb 8, 2022 | | Routine | 1 | 0 | | [KB5002107](https://patchblox.com/security/data/fix/microsoft/kb5002107.md) | Jan 11, 2022 | | Urgent | 1 | 0 | | [KB5002053](https://patchblox.com/security/data/fix/microsoft/kb5002053.md) | Nov 16, 2021 | | High | 1 | 0 | | [KB5002027](https://patchblox.com/security/data/fix/microsoft/kb5002027.md) | Oct 12, 2021 | | Urgent | 4 | 0 | | [KB5001999](https://patchblox.com/security/data/fix/microsoft/kb5001999.md) | Sep 14, 2021 | | High | 1 | 0 | | [KB5001973](https://patchblox.com/security/data/fix/microsoft/kb5001973.md) | Jul 13, 2021 | | High | 2 | 0 | | [KB5001914](https://patchblox.com/security/data/fix/microsoft/kb5001914.md) | May 11, 2021 | | High | 5 | 0 | | [KB4504714](https://patchblox.com/security/data/fix/microsoft/kb4504714.md) | Apr 13, 2021 | | High | 4 | 0 | | [KB4493229](https://patchblox.com/security/data/fix/microsoft/kb4493229.md) | Mar 16, 2021 | | High | 3 | 0 | | [KB4493192](https://patchblox.com/security/data/fix/microsoft/kb4493192.md) | Feb 9, 2021 | | High | 3 | 0 | | [KB4493160](https://patchblox.com/security/data/fix/microsoft/kb4493160.md) | Jan 12, 2021 | | High | 4 | 0 | | [KB4486750](https://patchblox.com/security/data/fix/microsoft/kb4486750.md) | Dec 15, 2020 | | High | 5 | 0 | | [KB4486713](https://patchblox.com/security/data/fix/microsoft/kb4486713.md) | Nov 10, 2020 | | High | 2 | 0 | | [KB4486674](https://patchblox.com/security/data/fix/microsoft/kb4486674.md) | Oct 13, 2020 | | High | 3 | 0 | | [KB4484503](https://patchblox.com/security/data/fix/microsoft/kb4484503.md) | Sep 16, 2020 | | High | 4 | 0 | | [KB4484470](https://patchblox.com/security/data/fix/microsoft/kb4484470.md) | Aug 11, 2020 | | High | 4 | 0 | | [KB4484451](https://patchblox.com/security/data/fix/microsoft/kb4484451.md) | Jul 14, 2020 | | Urgent | 7 | 0 | | [KB4484290](https://patchblox.com/security/data/fix/microsoft/kb4484290.md) | Apr 14, 2020 | | High | 1 | 0 | | [KB4484270](https://patchblox.com/security/data/fix/microsoft/kb4484270.md) | Mar 10, 2020 | | Urgent | 3 | 0 | | [KB4484141](https://patchblox.com/security/data/fix/microsoft/kb4484141.md) | Nov 12, 2019 | | High | 3 | 0 | | [KB4475528](https://patchblox.com/security/data/fix/microsoft/kb4475528.md) | Aug 23, 2019 | | Urgent | 2 | 0 | | [KB4475511](https://patchblox.com/security/data/fix/microsoft/kb4475511.md) | Jun 11, 2019 | | High | 2 | 0 | | [KB4462169](https://patchblox.com/security/data/fix/microsoft/kb4462169.md) | May 14, 2019 | | Urgent | 1 | 0 | | [KB4461633](https://patchblox.com/security/data/fix/microsoft/kb4461633.md) | Jan 8, 2019 | | High | 1 | 0 | | [KB4011027](https://patchblox.com/security/data/fix/microsoft/kb4011027.md) | Dec 11, 2018 | | Urgent | 2 | 0 | --- Data as of 2026-11-09T19:38:12Z UTC. 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