September 14, 2026—KB5129195 (OS Builds 26200.9457 and 26100.9457) Out-of-band

September 14, 2026—KB5129195 OS Builds 26200.9457 and 26100.9457 Out-of-band Applies To Windows 11 version 25H2, all editions Windows 11 version 24H2, all editions This out-of-band OOB update for Windows 11, version 25H2 and Windows 11, version 24H2 KB5129195 is cumulative. It includes updates fr...

September 14, 2026—Hotpatch KB5129241 (OS Builds 26200.9448 and 26100.9448) Out-of-band

September 14, 2026—Hotpatch KB5129241 OS Builds 26200.9448 and 26100.9448 Out-of-band Applies To Windows 11 Enterprise LTSC 2024 Important This update applies only to devices enrolled in hotpatch updates and is offered to eligible devices that have installed the September security update KB512400...