December 9, 2025—KB5071507 (Security-only update)

December 9, 2025—KB5071507 Security-only update 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 updat...

October 14, 2025—KB5066876 (Security-only update)

October 14, 2025—KB5066876 Security-only update 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 updat...

October 14, 2025—KB5066877 (Security-only update)

October 14, 2025—KB5066877 Security-only update 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 updat...

August 12, 2025—KB5063906 (Monthly Rollup)

August 12, 2025—KB5063906 Monthly Rollup Important The installation of this Extended Security Update ESU might fail when you try to install it on an Azure Arc-enabled device that is running Windows Server 2012. For a successful installation, please make sure all Subset of endpoints for ESU only a...

August 12, 2025—KB5063927 (Security-only update)

August 12, 2025—KB5063927 Security-only update 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 update...

May 13, 2025—KB5058429 (Security-only update)

May 13, 2025—KB5058429 Security-only update End of support information Support for Windows Server 2008 has ended Windows Server 2008 Premium Assurance ended on January 13, 2026.Windows Server 2008 Extended Security Updates ESU ended on January 10, 2023. Additionally, Extended Security Updates on...

March 11, 2025—KB5053627 (Security-only update)

March 11, 2025—KB5053627 Security-only update End of support information ​​​​​​​ Support for Windows Server 2008 R2 has ended Windows Server 2008 R2 Premium Assurance ended on January 13, 2026.Windows Server 2008 R2 Extended Security Updates ESU ended on January 10, 2023. Additionally, Extended...

December 10, 2024—KB5048744 (Security-only update)

December 10, 2024—KB5048744 Security-only update End of support information Windows Server 2008 Premium Assurance ends on January 13, 2026.Windows Server 2008 SP2 Extended Security Updates ESU ended on January 10, 2023. Additionally, Extended Security Updates on Azure only support ended on Januar...

December 10, 2024—KB5048676 (Security-only update)

December 10, 2024—KB5048676 Security-only update End of support information Windows Server 2008 R2 Premium Assurance ends on January 13, 2026.Windows Server 2008 R2 Extended Security Updates ESU ended on January 10, 2023. Additionally, Extended Security Updates on Azure only support ended on...

November 12, 2024—KB5046705 (Security-only update)

November 12, 2024—KB5046705 Security-only update End of support information As of January 10, 2023, Microsoft no longer provides security updates or technical support for Windows 7 Service Pack 1 SP1. We recommend that you upgrade to a supported version of Windows. For more information, see Updat...

November 12, 2024—KB5046639 (Security-only update)

November 12, 2024—KB5046639 Security-only update End of support information Windows Server 2008 SP2 Extended Security Updates ESU third and final year ended on January 10, 2023. Additionally, Extended Security Updates on Azure only support ended on January 9, 2024. For more information, see...

October 8, 2024—KB5044306 (Security-only update)

October 8, 2024—KB5044306 Security-only update End of support information Windows Server 2008 SP2 Extended Security Updates ESU third and final year ended on January 10, 2023. Additionally, Extended Security Updates on Azure-only support ended on January 9, 2024. For more information, see Extende...

August 13, 2024—KB5041847 (Security-only update)

August 13, 2024—KB5041847 Security-only update End of support information Windows Server 2008 SP2 Extended Security Updates ESU third and final year ended on January 10, 2023. Additionally, Extended Security Updates on Azure only support ended on January 9, 2024. For more information, see Extende...

July 9, 2024—KB5040498 (Security-only update)

July 9, 2024—KB5040498 Security-only update Change log Change date| Change description ---|--- August 13, 2024| The BitLocker Recovery screen known issue is resolved in update KB5041823. December 13, 2024| Added the improvement bullet point of how IT administrators should set up remote paths for...

July 9, 2024—KB5040490 (Security-only update)

July 9, 2024—KB5040490 Security-only update Change log Change date| Change description ---|--- August 13, 2024| The BitLocker Recovery screen known issue is resolved in update KB5041847. December 13, 2024| Added the improvement bullet point of how IT administrators should set up remote paths for...

July 9, 2024-Security Only Update for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 (KB5041027)

July 9, 2024-Security Only Update for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 KB5041027 Revised July 30, 2024: Add breaking change information to known issue section. Applies to: Microsoft .NET Framework 2.0 Microsoft .NET Framework 3.0 Microsoft .NET Framework 3.5 SP1...

July 9, 2024-Security Only Update for .NET Framework 3.5.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2008 R2 SP1 (KB5041026)

July 9, 2024-Security Only Update for .NET Framework 3.5.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2008 R2 SP1 KB5041026 Revised July 30, 2024: Add breaking change information to known issue section. Applies to: Microsoft .NET Framework 3.5.1 Microsoft .NET Framework 4.6.2 Microsoft .NE...

June 11, 2024—KB5039274 (Security-only update)

June 11, 2024—KB5039274 Security-only update End of support information As of January 10, 2023, Microsoft no longer provides security updates or technical support for Windows 7 Service Pack 1 SP1. We recommend that you upgrade to a supported version of Windows. For more information, see Update th...

Azure File Sync Agent v17.3 Release - June 2024 (Security-only update)

Azure File Sync Agent v17.3 Release - June 2024 Security-only update This article describes the improvements and issues that are fixed in the Azure File Sync Agent v17.1 release that is dated February 2024. Additionally, this article contains installation instructions for this release. Improvemen...

May 14, 2024—KB5037803 (Security-only update)

May 14, 2024—KB5037803 Security-only update End of support information As of January 10, 2023, Microsoft no longer provides security updates or technical support for Windows 7 Service Pack 1 SP1. We recommend that you upgrade to a supported version of Windows. For more information, see Update tha...