KB5089549: 2026-05 B update of 2026-05-12
Microsoft released KB5089549 (2026-05 B) on 12 May 2026 for Windows 11, version 24H2, Windows 11, version 25H2.
1 version
Facts
- Microsoft id
KB5089549- Products
- Windows 11
- Update type
- 2026-05 B
- Released
- 12 May 2026
- Out-of-band
- No
- Versions
- Windows 11, version 24H2, Windows 11, version 25H2
- Builds
- 26100.8457 (Windows 11, version 24H2), 26200.8457 (Windows 11, version 25H2)
- First captured by us
- (from our first import of this list)
- Microsoft last modified
- –
- Source
- Windows updates · open the original at Microsoft
Known issues
Started with this update
- May 2026 security update might fail to install with error 0x800f0922 · Resolved KB5089573
Microsoft says
Microsoft published no description with this item.
What Microsoft changed
One version so far. If Microsoft edits it, each change shows here with what was removed and added.
First version we captured ·
The text as we first saw it
Seen by us · Microsoft's page
Related changes
Mentioning the same Microsoft ids
- May 2026 security update might fail to install with error 0x800f0922 · Resolved KB5089573
Last updated