May 12, 2026—KB5089548 (OS Build 28000.2113)

May 12, 2026—KB5089548 OS Build 28000.2113 ​​​​​This cumulative update for Windows 11, version 26H1 KB5089548 includes the latest security fixes and improvements, along with non-security updates from last month's optional preview release. Visit the Windows release health dashboard for the latest...

January 17, 2026—KB5077744 (OS Builds 26200.7627 and 26100.7627) Out-of-band

January 17, 2026—KB5077744 OS Builds 26200.7627 and 26100.7627 Out-of-band ​​​​This out-of-band update for Windows 11, version 25H2 and 24H2 KB5077744 is cumulative. It includes updates from previous security and non-security releases, along with an additional fix. To learn more about differences...

October 20, 2025—KB5070773 (OS Builds 26200.6901 and 26100.6901) Out-of-band

October 20, 2025—KB5070773 OS Builds 26200.6901 and 26100.6901 Out-of-band Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devices to...

May 13, 2025—KB5058411 (OS Build 26100.4061)

May 13, 2025—KB5058411 OS Build 26100.4061 For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows 11, version 24H2, see its update history page. Be sure to follow @WindowsUpdate to find out when new conte...