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

December 9, 2025—KB5071507 Security-only update Applies To Windows Server 2008 Premium Assurance Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and...

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

October 14, 2025—KB5066876 Security-only update Applies To Windows Server 2008 R2 Premium Assurance Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and...

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

October 14, 2025—KB5066877 Security-only update Applies To Windows Server 2008 Premium Assurance Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and...

August 12, 2025—KB5063906 (Monthly Rollup)

August 12, 2025—KB5063906 Monthly Rollup Applies To Windows Server 2012 ESU 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...

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

August 12, 2025—KB5063927 Security-only update Applies To Windows Server 2008 R2 Premium Assurance Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and...

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

May 13, 2025—KB5058429 Security-only update Applies To Windows Server 2008 Premium Assurance End of support information 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...

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

March 11, 2025—KB5053627 Security-only update Applies To Windows Server 2008 R2 Premium Assurance End of support information 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 Applies To Windows Server 2008 Premium Assurance End of support information Note 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...

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

December 10, 2024—KB5048676 Security-only update Applies To Windows Server 2008 R2 Premium Assurance End of support information Note 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,...

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

November 12, 2024—KB5046639 Security-only update Applies To Windows Server 2008 Premium Assurance End of support information Note 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 end...

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

October 8, 2024—KB5044306 Security-only update Applies To Windows Server 2008 Premium Assurance End of support information Note 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...

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

August 13, 2024—KB5041847 Security-only update Applies To Windows Server 2008 Premium Assurance End of support information Note 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...

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

July 9, 2024—KB5040498 Security-only update Applies To Windows Server 2008 R2 Premium Assurance 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 o...

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

July 9, 2024—KB5040490 Security-only update Applies To Windows Server 2008 Premium Assurance 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 h...

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...

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...

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

June 11, 2024—KB5039274 Security-only update Applies To Windows Server 2008 R2 Premium Assurance End of support information Note 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 supporte...

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

May 14, 2024—KB5037803 Security-only update Applies To Windows Server 2008 R2 Premium Assurance End of support information Note 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...

March 12, 2024—KB5035933 (Security-only update)

March 12, 2024—KB5035933 Security-only update Applies To Windows Server 2008 Premium Assurance Note Reminder 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...

March 12, 2024—KB5035919 (Security-only update)

March 12, 2024—KB5035919 Security-only update Applies To Windows Server 2008 R2 Premium Assurance Note Reminder 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...