October 26, 2026—KB5134125 (OS Builds 19045.7811 and 19044.7811) Out-of-band

October 26, 2026—KB5134125 OS Builds 19045.7811 and 19044.7811 Out-of-band Applies To Windows 10 ESU Windows 10 Enterprise LTSC 2021 Windows 10 IoT Enterprise LTSC 2021 Important Free support for Windows 10 Enterprise LTSC 2021 ends on January 12, 2027. To learn about continuing support, see Plan...

October 26, 2026—KB5134140 (OS Build 20348.5773) Out-of-band

October 26, 2026—KB5134140 OS Build 20348.5773 Out-of-band Applies To Windows Server 2022 This non-security out-of-band OOB update for Windows Server 2022 KB5134140 is cumulative. It includes updates from previous releases, along with additional non-security improvements. Who should install this...

October 26, 2026—KB5134134 (OS Build 28000.3237) Out-of-band

October 26, 2026—KB5134134 OS Build 28000.3237 Out-of-band Applies To Windows 11 version 26H1, all editions This non-security out-of-band OOB update for Windows 11, version 26H1 KB5134134 is cumulative. It includes updates from previous releases, along with additional non-security improvements. W...

October 26, 2026—KB5134130 (OS Build 22631.7654) Out-of-band

October 26, 2026—KB5134130 OS Build 22631.7654 Out-of-band Applies To Windows 11 version 23H2, all editions This non-security out-of-band OOB update for Windows 11, version 23H2 KB5134130 is cumulative. It includes updates from previous releases, along with additional non-security improvements. W...