KB5053602: March 2025 monthly security update for Windows 11, version 23H2 and Windows 11, version 22H2
Windows Build Decoder: What a Windows build number means: 10.0.26100.2314 is Windows 11 24H2 with the November 2024 update. Version, KB, support dates, updates behind.
Paste a Windows build number from winver, ver, a system inventory or a vulnerability scan:
10.0.26100.2314, 19045.5487, Microsoft Windows [Version 10.0.22631.4460], a KB number
or a version like 22H2. You get the Windows version (the same build is often a client and a server release),
the cumulative update it has, how many monthly security updates behind it is, and how long that version gets updates.
Versions, updates and dates come from Microsoft's release information for
Windows 11,
Windows 10 and
Windows Server, read 2026-10-29.
Try: 10.0.26100.2314, 19045.5487, 22631.4460, 20348, 17763, KB5046617, 22H2
KB5053602 is the March 2025 monthly security update, released 2025-03-11 (download). Installing it brings Windows to these builds:
| Build | Windows version | Released | Newer updates |
|---|---|---|---|
| 22631.5039 | Windows 11, version 23H2 | 2025-03-11 | 19 monthly security updates since; latest 22631.7654 (KB5134130) |
| 22621.5039 | Windows 11, version 22H2 | 2025-03-11 | 7 monthly security updates since; latest 22621.6060 (KB5066793) |
Cumulative updates include everything before them, so the latest update for a version replaces this one.