Microsoft · Microsoft
Office Online Server security updates
Patch Radar has 34 security fixes for Office Online Server, closing 201 CVEs. The newest security fix is KB5002928, released October 13, 2026.
Latest version
n/a
Release date not known
Security fixes
34
On record in Patch Radar
CVEs
201
Closed by those fixes
Exploited
0
Vendor report or CISA KEV
Security fixes, newest first
| Priority | Fix | Fixed in | CVEs | Exploited | Released |
|---|---|---|---|---|---|
| Urgent | KB5002928 | 44 | Oct 13, 2026 | ||
| High | KB5002910 | 5 | Sep 8, 2026 | ||
| Urgent | KB5002884 | 56 | Jul 14, 2026 | ||
| High | KB5002875 | 7 | Jun 9, 2026 | ||
| High | KB5002871 | 3 | May 12, 2026 | ||
| High | KB5002855 | 5 | Apr 14, 2026 | ||
| High | KB5002846 | 4 | Mar 10, 2026 | ||
| High | KB5002835 | 3 | Feb 10, 2026 | ||
| Urgent | KB5002824 | 3 | Jan 13, 2026 | ||
| High | KB5002817 | 5 | Dec 9, 2025 | ||
| High | KB5002801 | 6 | Nov 11, 2025 | ||
| High | KB5002752 | 5 | Oct 16, 2025 | ||
| Urgent | KB5002797 | 8 | Oct 14, 2025 | ||
| High | KB5002776 | 6 | Sep 9, 2025 | ||
| Urgent | KB5002740 | 3 | Jul 8, 2025 | ||
| High | KB5002728 | 1 | Jun 10, 2025 | ||
| High | KB5002707 | 7 | May 13, 2025 | ||
| High | KB5002699 | 3 | Apr 8, 2025 | ||
| High | KB5002690 | 3 | Mar 11, 2025 | ||
| Urgent | KB5002679 | 5 | Feb 11, 2025 | ||
| Urgent | KB5002677 | 2 | Jan 14, 2025 | ||
| High | KB5002503 | 1 | May 14, 2024 | ||
| High | KB5002097 | 1 | Dec 14, 2021 | ||
| High | KB5001943 | 1 | Jun 8, 2021 | ||
| High | KB4493192 | 3 | Feb 9, 2021 | ||
| High | KB4486750 | 5 | Dec 15, 2020 | ||
| High | KB4484470 | 4 | Aug 11, 2020 | ||
| High | KB4484254 | 1 | Feb 11, 2020 | ||
| High | KB4484223 | 1 | Jan 14, 2020 | ||
| High | KB4484141 | 3 | Nov 12, 2019 | ||
| High | KB4475595 | 1 | Oct 8, 2019 | ||
| Urgent | KB4011027 | 2 | Dec 11, 2018 | ||
| Urgent | KB3213658 | 2 | Sep 12, 2017 | ||
| High | KB3127895 | 1 | Apr 11, 2017 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.