February 10, 2026—KB5077181 (OS Builds 26200.7840 and 26100.7840 ...
Feb 10, 2026 · Announcements and messages This section provides key notifications related to this release, including announcements, change logs, and end-of-support notices.
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 …
February 10, 2026—KB5075904 (OS Build 17763.8389)
Feb 10, 2026 · Applies to: Windows Server 2019 This security update includes fixes and quality improvements that are part of the following updates: January 13, 2026—KB5073723 (OS Build …
February 10, 2026—KB5075899 (OS Build 26100.32370)
Oct 8, 2024 · This cumulative update for Windows Server 2025 (KB5075899), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview …
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 …
January 13, 2026—KB5073457 (OS Build 20348.4648) - Microsoft Support
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 preview …
November 11, 2025—KB5068865 (OS Build 22631.6199)
Jan 9, 2024 · This cumulative update for Windows 11, version 23H2 (KB5068865), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview …
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 …
December 9, 2025—KB5072033 (OS Builds 26200.7462 and 26100.7462 ...
Dec 9, 2025 · This cumulative update for Windows 11, version 25H2 and 24H2 (KB5072033), includes the latest security fixes and improvements, along with non-security updates from last month’s …
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 …