January 13, 2026—KB5073723 (OS Build 17763.8276)
Jan 13, 2026 · Applies to: Windows Server 2019 This security update includes fixes and quality improvements that are part of the following update: December 9, 2025—KB5071544 (OS Build …
January 13, 2026—KB5073455 (OS Build 22631.6491)
Jan 9, 2024 · 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 …
January 13, 2026—KB5073457 (OS Build 20348.4648) - Microsoft …
Sep 14, 2021 · This cumulative update for Windows Server 2022 (KB5073457), includes the latest security fixes and improvements, along with non-security updates from last month’s optional …
October 14, 2025—KB5066835 (OS Builds 26200.6899 and …
Oct 14, 2025 · To learn more about Windows update terminology, see types of Windows updates and monthly quality update types. For an overview, see the update history page for Windows …
December 9, 2025—KB5072033 (OS Build 26100.7462)
Oct 8, 2024 · KB identifier changes for Windows Server 2025 starting January 2026 Windows Secure Boot certificate expiration Change log Improvements This security update contains …
July 8, 2025—KB5062572 (OS Build 20348.3932) - Microsoft Support
Sep 14, 2021 · Improvements This security update includes improvements that were a part of update KB5060526 (released June 10, 2025). The following summary outlines key issues …
December 9, 2025—Hotpatch KB5072014 (OS Builds 26200.7392 …
Oct 14, 2025 · This Hotpatch update for Windows 11, version 25H2 and 24H2 (KB5072014), improves functionality, performance, and reliability. To learn more about differences between …
December 9, 2025—KB5071417 (OS Build 22631.6345)
Jan 9, 2024 · 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 …
January 13, 2026—KB5073379 (OS Build 26100.32230)
Oct 8, 2024 · KB identifier changes for Windows Server 2025 starting January 2026 Windows Secure Boot certificate expiration Change log Improvements This security update contains …
October 28, 2025—KB5067036 (OS Builds 26200.7019 and …
Oct 28, 2025 · The following summary outlines key issues addressed by the KB update after you install it. Also, included are available new features. The bold text within the brackets indicates …