KB5066794: Servicing stack update for Windows Server 2012 R2: October 14, 2025

KB5066794: Servicing stack update for Windows Server 2012 R2: October 14, 2025 Windows Secure Boot certificate expirationImportant: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. Microsoft has been updating these certificates on consumer and...

EUVD-2019-9938

Malware in sbrugna...

September 22, 2025—KB5068221 (OS Build 26100.6588) Out-of-band

September 22, 2025—KB5068221 OS Build 26100.6588 Out-of-band Windows Secure Boot certificate expirationImportant: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. Microsoft has been updating these certificates on consumer and non-managed business...

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 expirationImportant: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. Microsoft has been updating these certificates on consumer and...

KB5065766: Servicing stack update for Windows 10: September 9, 2025

KB5065766: Servicing stack update for Windows 10: September 9, 2025 Windows Secure Boot certificate expirationImportant: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. Microsoft has been updating these certificates on consumer and non-managed busine...

KB5065687: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: September 9, 2025

KB5065687: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: September 9, 2025 Windows Secure Boot certificate expirationImportant: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. Microsoft has been updating these...

KB5065768: Servicing stack update for Windows Server 2012: September 9, 2025

KB5065768: Servicing stack update for Windows Server 2012: September 9, 2025 Windows Secure Boot certificate expirationImportant: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. Microsoft has been updating these certificates on consumer and non-manag...

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—KB5058385 (OS Build 20348.3692)

May 13, 2025—KB5058385 OS Build 20348.3692 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 content is...

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...

May 13, 2025—Hotpatch KB5058500 (OS Build 20348.3630)

May 13, 2025—Hotpatch KB5058500 OS Build 20348.3630 Improvements and fixes This security update includes quality improvements. The following summary outlines key issues addressed by the KB update after you install it. The bold text within the brackets indicates the item or area of the change. Thi...

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

August 12, 2025—Hotpatch KB5064010 OS Build 26100.4851 Windows Secure Boot certificate expirationImportant: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. Microsoft has been updating these certificates on consumer and non-managed business devices fo...

August 12, 2025—KB5063880 (OS Build 20348.4052)

August 12, 2025—KB5063880 OS Build 20348.4052 Windows Secure Boot certificate expirationImportant: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. Microsoft has been updating these certificates on consumer and non-managed business devices for the pas...

August 12, 2025—KB5063899 (OS Build 25398.1791)

August 12, 2025—KB5063899 OS Build 25398.1791 Windows Secure Boot certificate expirationImportant: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. Microsoft has been updating these certificates on consumer and non-managed business devices for the pas...

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

August 12, 2025—Hotpatch KB5063812 OS Build 20348.3989 Windows Secure Boot certificate expirationImportant: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. Microsoft has been updating these certificates on consumer and non-managed business devices fo...

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...

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...

June 11, 2025—KB5063060 (OS Build 26100.4351) Out-of-band

June 11, 2025—KB5063060 OS Build 26100.4351 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 page for Windows 11, version 24H2.Follow @WindowsUpdate to find out when new...

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...