March 10, 2026—KB5079473 (OS Builds 26200.8037 and 26100.8037)

March 10, 2026—KB5079473 OS Builds 26200.8037 and 26100.8037 Applies To Windows 11 version 25H2, all editions Windows 11 version 24H2, all editions This cumulative update for Windows 11, version 25H2 and 24H2 KB5079473, includes the latest security fixes and improvements, along with non-security...

January 13, 2026—KB5074109 (OS Builds 26200.7623 and 26100.7623)

January 13, 2026—KB5074109 OS Builds 26200.7623 and 26100.7623 Applies To Windows 11 version 25H2, all editions Windows 11 version 24H2, all editions This cumulative update for Windows 11, version 25H2 and 24H2 KB5074109, includes the latest security fixes and improvements, along with non-securit...

January 13, 2026—KB5073450 (OS Build 25398.2092)

January 13, 2026—KB5073450 OS Build 25398.2092 Applies To Windows Server, version 23H2 This cumulative update for Windows Server, version 23H2 KB5073450, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more...

December 9, 2025—KB5071417 (OS Build 22631.6345)

December 9, 2025—KB5071417 OS Build 22631.6345 Applies To Windows 11 version 23H2, all editions This cumulative update for Windows 11, version 23H2 KB5071417, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn...