KB5066584: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: October 14, 2025

KB5066584: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: October 14, 2025 Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain...

KB5065767: Servicing stack update for Windows Server 2012 R2: September 9, 2025

KB5065767: Servicing stack update for Windows Server 2012 R2: September 9, 2025 Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devic...

May 13, 2025—KB5058384 (OS Build 25398.1611)

May 13, 2025—KB5058384 OS Build 25398.1611 For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows Server, version 23H2, see its update history page. Improvements This security update includes quality...

May 13, 2025—KB5058411 (OS Build 26100.4061)

May 13, 2025—KB5058411 OS Build 26100.4061 For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows 11, version 24H2, see its update history page. Be sure to follow @WindowsUpdate to find out when new conte...

August 12, 2025—KB5063899 (OS Build 25398.1791)

August 12, 2025—KB5063899 OS Build 25398.1791 Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devices to boot securely if not updated...

August 12, 2025—KB5063880 (OS Build 20348.4052)

August 12, 2025—KB5063880 OS Build 20348.4052 Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devices to boot securely if not updated...

August 12, 2025—Hotpatch KB5063812 (OS Build 20348.3989)

August 12, 2025—Hotpatch KB5063812 OS Build 20348.3989 Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devices to boot securely if no...

August 12, 2025—Hotpatch KB5064010 (OS Build 26100.4851)

August 12, 2025—Hotpatch KB5064010 OS Build 26100.4851 Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devices to boot securely if no...

June 10, 2025—KB5060526 (OS Build 20348.3807)

June 10, 2025—KB5060526 OS Build 20348.3807 For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview, see the update history page for Windows Server 2022, Follow @WindowsUpdate to find out when new content is publishe...

June 10, 2025—KB5060118 (OS Build 25398.1665)

June 10, 2025—KB5060118 OS Build 25398.1665 For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview, see the update history page for of Windows Server, version 23H2. Improvements This security update includes quality...

KB5062799: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: July 8, 2025

KB5062799: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: July 8, 2025 Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain person...

July 1, 2025—KB5063774 (OS Build 25398.1668) Out-of-band

July 1, 2025—KB5063774 OS Build 25398.1668 Out-of-band To learn about Windows update terminology, see the pages on types of Windows updates and monthly quality update types. For an overview, see the update history page for Windows Server, version 23H2. Improvements This out-of-band update include...

KB5060954: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: June 10, 2025

KB5060954: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: June 10, 2025 Support for Windows 10 has ended on October 14, 2025 After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes fo...

May 23, 2025—KB5061906 (OS Build 20348.3695) Out-of-band

May 23, 2025—KB5061906 OS Build 20348.3695 Out-of-band For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows Server 2022, see its update history page.Be sure to follow @WindowsUpdate to find out when new...

May 16, 2025—Hotpatch KB5061258 (OS Build 26100.3983) Out-of-band

May 16, 2025—Hotpatch KB5061258 OS Build 26100.3983 Out-of-band For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview, see the update history for Windows 11, version 24H2, and the release notes for hotpatch on...

KB5058527: Servicing stack update for Windows 10: May 13, 2025

KB5058527: Servicing stack update for Windows 10: May 13, 2025 Support for Windows 10 has ended on October 14, 2025 After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work,...

KB5058529: Servicing stack update for Windows Server 2012 R2: May 13, 2025

KB5058529: Servicing stack update for Windows Server 2012 R2: May 13, 2025 End of support information Support for Windows Server 2012 R2 will end in October 2026 Windows Server 2012 R2 reached the end of support EOS on October 10, 2023. Extended Security Updates ESUs are available for purchase an...

April 16, 2025—KB5059092 (OS Build 20348.3566) Out-of-band

April 16, 2025—KB5059092 OS Build 20348.3566 Out-of-band For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows Server 2022, see its update history page.Be sure to follow @WindowsUpdate to find out when n...

April 11, 2025—KB5058920 (OS Build 20348.3561) Out-of-band

April 11, 2025—KB5058920 OS Build 20348.3561 Out-of-band For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows Server 2022, see its update history page.Be sure to follow @WindowsUpdate to find out when n...

April 11, 2025—KB5058921 (OS Build 14393.7973) Out-of-band

April 11, 2025—KB5058921 OS Build 14393.7973 Out-of-band For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 10, version 1607, see its update history page. Important Windows updates d...