KB5134134: 2026-10 OOB update of 2026-10-26

Microsoft released KB5134134 (2026-10 OOB) on 26 October 2026 for Windows 11, version 26H1. It is an out-of-band update.

1 version

Facts

Microsoft id
KB5134134
Products
Windows 11
Update type
2026-10 OOB
Released
26 October 2026
Out-of-band
Yes
Versions
Windows 11, version 26H1
Builds
28000.3237 (Windows 11, version 26H1)
First captured by us
(from our first import of this list)
Microsoft last modified
–
Source
Windows updates · open the original at Microsoft

Microsoft says

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What Microsoft changed

One version so far. If Microsoft edits it, each change shows here with what was removed and added.

  1. First version we captured ·

    The text as we first saw it

    Seen by us · Microsoft's page

Last updated