January 13, 2026—KB5073455 (OS Build 22631.6491)

January 13, 2026—KB5073455 OS Build 22631.6491 ​​​​​This cumulative update for Windows 11, version 23H2 KB5073455, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security...

2026-01 Cumulative Update for Windows 11 Version 23H2 for x64-based Systems (KB5073455)

2026-01 Cumulative Update for Windows 11 Version 23H2 for x64-based Systems KB5073455...