KB5129238: 2026-09 OOB update of 2026-09-14
Microsoft released KB5129238 (2026-09 OOB) on 14 September 2026 for Windows 10, version 1809, Windows Server 2019. It is an out-of-band update.
1 version
Facts
- Microsoft id
KB5129238- Products
- Windows 10, Windows Server
- Update type
- 2026-09 OOB
- Released
- 14 September 2026
- Out-of-band
- Yes
- Versions
- Windows 10, version 1809, Windows Server 2019
- Builds
- 17763.9247 (Windows 10, version 1809), 17763.9247 (Windows Server 2019)
- First captured by us
- (from our first import of this list)
- Microsoft last modified
- –
- Source
- Windows updates · open the original at Microsoft
Known issues
Resolved by this update
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
Last updated