Microsoft KB articles
Official Windows update notes, documented: improvements, known issues, and how to get each update, with the KB number, OS build and release date at a glance.
197 articles
KB5062553: Windows 11 Version 24H2 Security Update (OS Build 26100.4652) - July 2025
July 8, 2025 security update for Windows 11 version 24H2, lifting the OS to build 26100.4652. Fixes graphics sync and notification sound issues.
KB5062572: Windows Server 2022 Security Update (OS Build 20348.3932) - July 8, 2025
July 8, 2025 security update for Windows Server 2022, bringing OS to build 20348.3932. Fixes DHCP, GB18030 characters, language packs, and RPC Netlogon hardening.
July 8, 2025 - KB5062552 (OS Builds 22621.5624 and 22631.5624)
July 2025 monthly security update for Windows 11 versions 22H2 and 23H2, delivering OS builds 22621.5624 and 22631.5624 with a graphics black-screen fix.
KB5060826: Windows 11 Preview Update for Versions 22H2 and 23H2 (June 26, 2025)
Optional preview update for Windows 11 22H2 and 23H2 releasing OS builds 22621.5549 and 22631.5549 on June 26, 2025, with fixes for auth, search, RDP, and kiosk issues.
KB5060829 (OS Build 26100.4484) Preview - Windows 11 24H2, June 26 2025
Optional preview update for Windows 11 version 24H2, releasing OS build 26100.4484 on June 26, 2025, with new features and quality fixes.
KB5063060 (OS Build 26100.4351) Out-of-Band Update for Windows 11 24H2 - June 11, 2025
Out-of-band cumulative update for Windows 11 version 24H2 (OS Build 26100.4351) released June 11, 2025, fixing an Easy Anti-Cheat incompatibility that caused unexpected restarts.
June 10, 2025 Hotpatch KB5060841 (OS Build 26100.4270) for Windows 11 Enterprise LTSC 2024
Hotpatch KB5060841 delivers the June 2025 security update for Windows 11 Enterprise LTSC 2024, bringing OS build 26100.4270 with quality improvements including a 60-day system restore point retention policy.
KB5060842: Windows 11 24H2 Security Update - OS Build 26100.4349 (June 10, 2025)
KB5060842 is the June 10, 2025 cumulative security update for Windows 11 version 24H2, bringing OS build to 26100.4349 with security fixes and key improvements.
KB5060999: Windows 11 22H2 and 23H2 Cumulative Update - June 10, 2025
June 10, 2025 security update for Windows 11 22H2 and 23H2, delivering OS builds 22621.5472 and 22631.5472 with a graphics Remote Desktop fix.
June 10, 2025 Hotpatch KB5060525 (OS Build 20348.3745) for Windows Server 2022
A June 10, 2025 security hotpatch for Windows Server 2022 Datacenter: Azure Edition, bringing OS build 20348.3745 with miscellaneous internal security improvements.
KB5060526: Windows Server 2022 Security Update - OS Build 20348.3807 (June 2025)
KB5060526 is the June 10, 2025 cumulative security update for Windows Server 2022, bringing it to OS build 20348.3807 with graphics, memory, Settings, and Windows Hello fixes.
KB5062170: Windows 11 Out-of-Band Update for OS Builds 22621.5415 and 22631.5415 (May 31, 2025)
Out-of-band fix for error code 0xc0000098 caused by the May 2025 security update on Windows 11 22H2 and 23H2. Released May 31, 2025.
KB5058499 (OS Build 26100.4202) Preview - Windows 11 24H2, May 28 2025
Optional preview update for Windows 11 version 24H2, releasing OS build 26100.4202 with new AI features, accessibility improvements, and bug fixes.
KB5058502: Windows 11 Preview Update (OS Builds 22621.5413 and 22631.5413) - May 2025
Optional preview update for Windows 11 22H2/23H2 releasing May 27, 2025, delivering quality fixes and new features across Copilot, taskbar, search, and more.
KB5061977 (OS Build 26100.4066) Out-of-Band Update for Windows 11 24H2
Out-of-band quality update for Windows 11 version 24H2 (OS Build 26100.4066), released May 27, 2025, fixing a Hyper-V confidential VM stability issue.
KB5061906 (OS Build 20348.3695) Out-of-Band Update for Windows Server 2022 - May 23, 2025
Out-of-band non-security update for Windows Server 2022 fixing a Hyper-V confidential VM stability issue. Released May 23, 2025, OS build 20348.3695.
KB5061258 Hotpatch (OS Build 26100.3983) Out-of-Band - May 16, 2025
Out-of-band hotpatch for Windows 11 Enterprise LTSC 2024, delivering miscellaneous security improvements to internal OS functionality at build 26100.3983.
May 13, 2025 Hotpatch KB5058497 (OS Build 26100.3981) for Windows 11 Enterprise LTSC 2024
Hotpatch KB5058497 delivers miscellaneous security improvements to internal OS functionality for Windows 11 Enterprise LTSC 2024, releasing May 13, 2025 at OS build 26100.3981.
KB5058385: Windows Server 2022 Security Update (OS Build 20348.3692) - May 2025
May 13, 2025 security update for Windows Server 2022, bringing OS build to 20348.3692 with DWM, graphics kernel, SBAT, and driver blocklist fixes.
KB5058405: Windows 11 Security Update for Versions 22H2 and 23H2 (May 13, 2025)
May 13, 2025 security update for Windows 11 versions 22H2 and 23H2, delivering OS builds 22621.5335 and 22631.5335 with SBAT improvements and a WSUS upgrade fix.