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 optional preview …
November 11, 2025—KB5068861 (OS Builds 26200.7171 and …
Nov 11, 2025 · Announcements and messages This section provides key notifications related to this release, including announcements, change logs, and end-of-support notices.
January 24, 2026—Hotpatch KB5078167 (OS Builds 26200.7634 and …
Oct 14, 2025 · This out-of-band Hotpatch update for Windows 11, version 25H2 and 24H2 (KB5078167), improves functionality, performance, and reliability. To learn more about differences between security …
KB / KiB，MB / MiB，GB / GiB，… 的区别是什么？
简而言之 KiB，kB，KB这三个单位有什么区别？ KiB（或写作KiByte）是一个专门用来形容数字系统内存储数据的容量大小的单位，是单词“Kibibyte”，即“千字节”的缩写。KiB实际上就是数据储存的基本单 …
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 fixes and quality …
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 fixes and quality …
October 14, 2025—KB5066835 (OS Builds 26200.6899 and 26100.6899 ...
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 11, version …
October 28, 2025—KB5067036 (OS Builds 26200.7019 and 26100.7019 ...
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 the item or …
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 addressed by the …