March 10, 2026—KB5078740 (OS Build 26100.32522)

March 10, 2026—KB5078740 OS Build 26100.32522 ​​​​​This cumulative update for Windows Server 2025 KB5078740, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates,...

Security Bulletin: IBM MQ Appliance is affected by a denial of service vulnerability (CVE-2025-48976)

Summary IBM MQ appliance has addressed a denial of service vulnerability. Vulnerability Details CVEID:CVE-2025-48976 DESCRIPTION: Allocation of resources for multipart headers with insufficient limits enabled a DoS vulnerability in Apache Commons FileUpload. This issue affects Apache Commons...

2025-06 Cumulative security Hotpatch for Azure Stack HCI, version 21H2 and Windows Server 2022 Datacenter: Azure Edition for x64-based Systems (KB5060525)

Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information...

June 10, 2025—KB5061078 (Monthly Rollup)

June 10, 2025—KB5061078 Monthly Rollup 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 Security Updates...

KB5060996: Cumulative security update for Internet Explorer: June 10, 2025

KB5060996: Cumulative security update for Internet Explorer: June 10, 2025 Important Certain versions of Microsoft Internet Explorer have reached the end of support. Note that some versions of Internet Explorer may be supported past the latest OS end date when Extended Security Updates ESUs are...

May 13, 2025—KB5061198 Out-of-band (Monthly Rollup)

May 13, 2025—KB5061198 Out-of-band Monthly Rollup 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 Updat...

June 10, 2025—KB5061026 (Monthly Rollup)

June 10, 2025—KB5061026 Monthly Rollup 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 Azure...

May 13, 2025—KB5058403 (Monthly Rollup)

May 13, 2025—KB5058403 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 R2. For a successful installation, please make sure all Subset of endpoints for ESU only a...

2025-05 Cumulative security Hotpatch for Azure Stack HCI, version 21H2 and Windows Server 2022 Datacenter: Azure Edition for x64-based Systems (KB5058500)

Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information...

KB5055515: Cumulative security update for Internet Explorer: April 8, 2025

KB5055515: Cumulative security update for Internet Explorer: April 8, 2025 Important Certain versions of Microsoft Internet Explorer have reached the end of support. Note that some versions of Internet Explorer may be supported past the latest OS end date when Extended Security Updates ESUs are...

April 8, 2025—KB5055609 (Monthly Rollup)

April 8, 2025—KB5055609 Monthly Rollup 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 Azure...

March 11, 2025—KB5053620 (Monthly Rollup)

March 11, 2025—KB5053620 Monthly Rollup 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 Security Update...

March 11, 2025—KB5053886 (Monthly Rollup)

March 11, 2025—KB5053886 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 ar...

March 11, 2025—KB5053887 (Monthly Rollup)

March 11, 2025—KB5053887 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 R2. For a successful installation, please make sure all Subset of endpoints for ESU only...

February 11, 2025—KB5052042 (Monthly Rollup)

February 11, 2025—KB5052042 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 R2. For a successful installation, please make sure all Subset of endpoints for ESU...

February 11, 2025—KB5052016 (Monthly Rollup)

February 11, 2025—KB5052016 Monthly Rollup 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 January 9,...

KB5051972: Cumulative security update for Internet Explorer: February 11, 2025

KB5051972: Cumulative security update for Internet Explorer: February 11, 2025 Important Certain versions of Microsoft Internet Explorer have reached the end of support. Note that some versions of Internet Explorer may be supported past the latest OS end date when Extended Security Updates ESUs a...

January 14, 2025—KB5050048 (Monthly Rollup)

January 14, 2025—KB5050048 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 R2. For a successful installation, please make sure all Subset of endpoints for ESU on...

January 14, 2025—KB5050049 (Monthly Rollup)

January 14, 2025—KB5050049 Monthly Rollup 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 January 9,...

December 10, 2024—KB5048710 (Monthly Rollup)

December 10, 2024—KB5048710 Monthly Rollup 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 January 9,...