Microsoft · Microsoft
Windows Server 2025 (Server Core installation) security updates
Patch Radar has 45 security fixes for Windows Server 2025 (Server Core installation), closing 4,326 CVEs, 42 of which are being exploited. The newest security fix is KB5131077, released November 10, 2026.
42 exploited CVEs
Latest version
n/a
Release date not known
Security fixes
45
On record in Patch Radar
CVEs
4,326
Closed by those fixes
Exploited
42
Vendor report or CISA KEV
Security fixes, newest first
| Priority | Fix | Fixed in | CVEs | Exploited | Released |
|---|---|---|---|---|---|
| Urgent | KB5131077 | 625 | Nov 10, 2026 | ||
| High | KB5135386 | 3 | Nov 10, 2026 | ||
| Urgent | KB5131080 | 26100.33822 | 627 | Nov 10, 2026 | |
| Patch now | KB5126646 | 26100.33650 | 1,097 | 1 | Oct 13, 2026 |
| Patch now | KB5122871 | 26100.33438 | 690 | 1 | Sep 8, 2026 |
| Patch now | KB5120228 | 26100.33222 | 205 | 1 | Aug 11, 2026 |
| Patch now | KB5120233 | 26100.33296 | 205 | 1 | Aug 11, 2026 |
| Patch now | KB5099536 | 26100.33158 | 383 | 2 | Jul 14, 2026 |
| Urgent | KB5094125 | 26100.32995 | 103 | Jun 9, 2026 | |
| Urgent | KB5094126 | 101 | Jun 9, 2026 | ||
| Urgent | KB5087423 | 26100.32772 | 66 | May 12, 2026 | |
| Urgent | KB5087539 | 26100.32860 | 66 | May 12, 2026 | |
| Patch now | KB5082063 | 26100.32690 | 121 | 1 | Apr 14, 2026 |
| Urgent | KB5078736 | 26100.32463 | 39 | Mar 10, 2026 | |
| Urgent | KB5078740 | 26100.32522 | 39 | Mar 10, 2026 | |
| Patch now | KB5075899 | 26100.32370 | 29 | 5 | Feb 10, 2026 |
| Patch now | KB5075942 | 26100.32313 | 29 | 5 | Feb 10, 2026 |
| Patch now | KB5073379 | 26100.32230 | 85 | 1 | Jan 13, 2026 |
| High | KB5074204 | 1 | Dec 18, 2025 | ||
| Patch now | KB5072033 | 34 | 2 | Dec 9, 2025 | |
| Patch now | KB5072014 | 33 | 2 | Dec 9, 2025 | |
| Patch now | KB5068861 | 35 | 1 | Nov 11, 2025 | |
| Patch now | KB5068966 | 35 | 1 | Nov 11, 2025 | |
| Patch now | KB5070893 | 1 | 1 | Oct 23, 2025 | |
| Patch now | KB5070881 | 26100.6905 | 1 | 1 | Oct 23, 2025 |
| Patch now | KB5066835 | 134 | 3 | Oct 14, 2025 | |
| Urgent | KB5065426 | 26100.6584 | 63 | Sep 9, 2025 | |
| Urgent | KB5065474 | 26100.6508 | 63 | Sep 9, 2025 | |
| Urgent | KB5063878 | 26100.4946 | 61 | Aug 12, 2025 | |
| Urgent | KB5064010 | 26100.4851 | 61 | Aug 12, 2025 | |
| Urgent | KB5062553 | 26100.4652 | 102 | Jul 8, 2025 | |
| Patch now | KB5060842 | 26100.4349 | 40 | 2 | Jun 10, 2025 |
| Patch now | KB5060841 | 26100.4270 | 39 | 2 | Jun 10, 2025 |
| Patch now | KB5058411 | 26100.4061 | 43 | 5 | May 13, 2025 |
| Patch now | KB5058497 | 26100.3981 | 41 | 5 | May 13, 2025 |
| Patch now | KB5055523 | 26100.3775 | 84 | 1 | Apr 8, 2025 |
| Patch now | KB5053598 | 26100.3476 | 37 | 6 | Mar 11, 2025 |
| Patch now | KB5053636 | 26100.3403 | 36 | 6 | Mar 11, 2025 |
| Patch now | KB5051987 | 26100.3194 | 39 | 3 | Feb 11, 2025 |
| Patch now | KB5052105 | 26100.3107 | 37 | 2 | Feb 11, 2025 |
| Patch now | KB5050009 | 26100.2894 | 130 | 3 | Jan 14, 2025 |
| Patch now | KB5048794 | 26100.2528 | 59 | 1 | Dec 10, 2024 |
| Patch now | KB5048667 | 26100.2605 | 58 | 1 | Dec 10, 2024 |
| Patch now | KB5046696 | 26100.2240 | 36 | 2 | Nov 12, 2024 |
| Patch now | KB5046617 | 26100.2314 | 33 | 2 | Nov 12, 2024 |
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