Permanent story citation

Windows 11 cumulative updates KB5124008 & KB5122880 released

This page keeps the story as Cybersecurity Tracker first published it. If the tracker later corrects it, the correction appears below the original and never replaces it.

Back to newsStory 6721

As cited

Copy frozen at 2026-09-08 22:18 UTC (site build).

vulnerabilities

Windows 11 cumulative updates KB5124008 & KB5122880 released

Microsoft released cumulative updates KB5124008 and KB5122880 for Windows 11 versions 25H2, 24H2, and 23H2 to address security vulnerabilities, resolve bugs, and introduce new features.

Why it matters: Windows 11 users across multiple versions need to apply these patches to remediate disclosed security vulnerabilities and maintain system stability.

VendorsMicrosoft

Source published: 2026-09-08 17:57 UTC
First seen by Cybersecurity Tracker: 2026-09-08 21:50 UTC

Source attribution

BleepingComputer