March 11, 2025—KB5053602 (OS Builds 22621.5039 and 22631.5039)

March 11, 2025—KB5053602 OS Builds 22621.5039 and 22631.5039 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 23H2, see its update history page. Follow @WindowsUpdate to find out when ne...

March 11, 2025—KB5053594 (OS Build 14393.7876)

March 11, 2025—KB5053594 OS Build 14393.7876 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, but we recommend...

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...

February 11, 2025—KB5051974 (OS Builds 19044.5487 and 19045.5487) - EXPIRED

February 11, 2025—KB5051974 OS Builds 19044.5487 and 19045.5487 - EXPIRED EXPIRATION NOTICEIMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of Windows. --...

KB5054006: Servicing stack update for Windows 10, version 1607 and Server 2016: March 11, 2025

KB5054006: Servicing stack update for Windows 10, version 1607 and Server 2016: March 11, 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 Windo...

KB5054008: Servicing stack update for Windows 10: March 11, 2025

KB5054008: Servicing stack update for Windows 10: March 11, 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...

February 25, 2025—KB5052094 (OS Builds 22621.4974 and 22631.4974) Preview

February 25, 2025—KB5052094 OS Builds 22621.4974 and 22631.4974 Preview 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 11, version 23H2, see its update history page. Note Follow...

February 25, 2025—KB5052077 (OS Build 19045.5555) Preview

February 25, 2025—KB5052077 OS Build 19045.5555 Preview 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, but we...

February 25, 2025—KB5052093 (OS Build 26100.3323) Preview

February 25, 2025—KB5052093 OS Build 26100.3323 Preview 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 11, version 24H2, see its update history page. Note Follow @WindowsUpdate t...

Description of the security update for SharePoint Server 2019: February 11, 2025 (KB5002678)

Description of the security update for SharePoint Server 2019: February 11, 2025 KB5002678 Summary This security update resolves a Microsoft SharePoint Server remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures...

Description of the security update for Office Online Server: February 11, 2025 (KB5002679)

Description of the security update for Office Online Server: February 11, 2025 KB5002679 Summary This security update resolves a Microsoft Excel remote code execution vulnerability. To learn more about the vulnerability, see the following security advisories: Microsoft Common Vulnerabilities and...

Description of the security update for SharePoint Enterprise Server 2016: February 11, 2025 (KB5002685)

Description of the security update for SharePoint Enterprise Server 2016: February 11, 2025 KB5002685 Summary This security update resolves a Microsoft SharePoint Server remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures...

Description of the security update for Excel 2016: February 11, 2025 (KB5002687)

Description of the security update for Excel 2016: February 11, 2025 KB5002687 Summary This security update resolves a Microsoft Excel remote code execution vulnerability. To learn more about the vulnerability, see the following security advisories: Microsoft Common Vulnerabilities and Exposures...

Description of the security update for SharePoint Server Subscription Edition: February 11, 2025 (KB5002681)

Description of the security update for SharePoint Server Subscription Edition: February 11, 2025 KB5002681 Summary This security update resolves a Microsoft SharePoint Server remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and...

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...

February 11, 2025—KB5052072 (Security-only update)

February 11, 2025—KB5052072 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...

Description of the security update for Office 2016: February 11, 2025 (KB5002179)

Description of the security update for Office 2016: February 11, 2025 KB5002179 Summary This security update resolves a Microsoft Excel information disclosure vulnerability and Microsoft Excel remote code execution vulnerability. To learn more about the vulnerabilities, see the following security...

February 11, 2025—Hotpatch KB5052105 (OS Build 26100.3107)

February 11, 2025—Hotpatch KB5052105 OS Build 26100.3107 Note: Windows Server 2025 Datacenter & Standard machines that are connected to Azure Arc, now have the option to subscribe to hotpatch servicing. Hotpatch provides the ability to install OS security updates without restarting your machine...

February 11, 2025—KB5052032 (Security-only update)

February 11, 2025—KB5052032 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...

February 11, 2025—KB5052020 (Monthly Rollup)

February 11, 2025—KB5052020 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...

Description of the security update for Office 2016: February 11, 2025 (KB5002684)

Description of the security update for Office 2016: February 11, 2025 KB5002684 Summary This security update resolves a Microsoft Excel remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2025-21387. Note: To apply thi...

Description of the security update for Office 2016: February 11, 2025 (KB5002686)

Description of the security update for Office 2016: February 11, 2025 KB5002686 Summary This security update resolves a Microsoft Office remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2025-21392. Note: To apply th...

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,...

February 11, 2025—Hotpatch KB5052106 (OS Build 20348.3148)

February 11, 2025—Hotpatch KB5052106 OS Build 20348.3148 Improvements and fixes This security update includes quality improvements. Below is a summary of the key issues that this update addresses when you install this KB. If there are new features, it lists them as well. The bold text within the...

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—KB5052038 (Monthly Rollup)

February 11, 2025—KB5052038 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,...

Azure File Sync Agent v20 Release – February 2025

Azure File Sync Agent v20 Release – February 2025 This article describes the improvements and issues that are fixed in the Azure File Sync Agent v20 release that is dated February 2025. Additionally, this article contains installation instructions for this release. Improvements and issues that ar...

KB5052108: Servicing stack update for Windows Server 2012 R2: February 11, 2025

KB5052108: Servicing stack update for Windows Server 2012 R2: February 11, 2025 End of support information Windows Server 2012 R2 reached end of support EOS on October 10, 2023.Extended Security Updates ESUs are available for purchase and will continue for three years, renewable on an annual basi...

KB5052423: Servicing stack update for Windows 10: February 11, 2025

KB5052423: Servicing stack update for Windows 10: February 11, 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...

.NET 8.0 Update - February 11, 2025 (KB5052978)

.NET 8.0 Update - February 11, 2025 KB5052978 NET 8.0 has been refreshed with the latest update as of February 11, 2025. This update contains non-security fixes. See the release notes for details on updated packages..NET 8.0 servicing updates are upgrades. The latest servicing update for 8.0 will...

KB5052109: Servicing stack update for Windows Server 2012: February 11, 2025

KB5052109: Servicing stack update for Windows Server 2012: February 11, 2025 End of support information Windows Server 2012 reached the end of support EOS on October 10, 2023.Extended Security Updates ESUs are available for purchase and will continue for three years, renewable on an annual basis,...

.NET 9.0 Update - February 11, 2025 (KB5052979)

.NET 9.0 Update - February 11, 2025 KB5052979 NET 9.0 has been refreshed with the latest update as of February 11, 2025. This update contains non-security fixes. See the release notes for details on updated packages..NET 9.0 servicing updates are upgrades. The latest servicing update for 9.0 will...

January 29, 2025—KB5050092 (OS Builds 22621.4830 and 22631.4830) Preview

January 29, 2025—KB5050092 OS Builds 22621.4830 and 22631.4830 Preview 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 11, version 23H2, see its update history page. Note Follow...

January 28, 2025—KB5050081 (OS Build 19045.5440) Preview

January 28, 2025—KB5050081 OS Build 19045.5440 Preview 11/17/20 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 22H2, see its update history page. Note Follow...

January 28, 2025-KB5050593 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2

January 28, 2025-KB5050593 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 Release Date: January 28, 2025 Version: .NET Framework 3.5, 4.8 and 4.8.1 Summary This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for Windows 10 Version...

January 28, 2025-KB5050577 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2

January 28, 2025-KB5050577 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 Release Date: January 28, 2025 Version: .NET Framework 3.5 and 4.8.1 The January 28, 2025 update for Windows 11, version 24H2 includes cumulative reliability improvements in .NET Framework 3...

January 28, 2025—KB5050094 (OS Build 26100.3037) Preview

January 28, 2025—KB5050094 OS Build 26100.3037 Preview or 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 11, version 24H2, see its update history page. Note Follow @WindowsUpdate to...

January 18, 2025—KB5052819 (OS Build 20348.3095) Out-of-band

January 18, 2025—KB5052819 OS Build 20348.3095 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 Server 2022, see its update history page. Note Follow @WindowsUpdate to...

January 14, 2025—KB5050021 (OS Builds 22621.4751 and 22631.4751)

January 14, 2025—KB5050021 OS Builds 22621.4751 and 22631.4751 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 11, version 23H2, see its update history page. Note Follow...

January 14, 2025—KB5050009 (OS Build 26100.2894)

January 14, 2025—KB5050009 OS Build 26100.2894 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 11, version 24H2, see its update history page. Note Follow @WindowsUpdate to find ou...

January 14, 2025—KB5049981 (OS Builds 19044.5371 and 19045.5371) - EXPIRED

January 14, 2025—KB5049981 OS Builds 19044.5371 and 19045.5371 - EXPIRED EXPIRATION NOTICEIMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of Windows. ---...

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,...

Description of the security update for Access 2016: January 14, 2025 (KB5002670)

Description of the security update for Access 2016: January 14, 2025 KB5002670 Summary This security update resolves a Microsoft Access remote code execution vulnerability. To learn more about the vulnerability, see the following security advisories: Microsoft Common Vulnerabilities and Exposures...

January 14, 2025-KB5050416 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2

January 14, 2025-KB5050416 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 Release Date: January 14, 2025 Version: .NET Framework 3.5, 4.8 and 4.8.1 Summary This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for Windows 10 Version...

January 14, 2025-Security Only Update for .NET Framework 4.6.2 for Windows Server 2008 SP2 (KB5050181)

January 14, 2025-Security Only Update for .NET Framework 4.6.2 for Windows Server 2008 SP2 KB5050181 Applies to: Microsoft .NET Framework 4.6.2 Summary Note Starting in July 2020, there will no longer be optional, non-security releases known as "C" releases for this operating system. Operating...

January 14, 2025-Security and Quality Rollup 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 (KB5050183)

January 14, 2025-Security and Quality Rollup 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 KB5050183 Applies to: Microsoft .NET Framework 3.5.1 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET...

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—KB5050008 (OS Build 17763.6775)

January 14, 2025—KB5050008 OS Build 17763.6775 11/17/20 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 1809, see its update history page. Important: Windows updates d...

January 14, 2025-KB5049614 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1607 and Windows Server 2016

January 14, 2025-KB5049614 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1607 and Windows Server 2016 Release Date: January 14, 2025 Version: .NET Framework 4.8 The January 14, 2025 update for Windows 10, version 1607 and Windows Server 2016 includes security and cumulative...

January 14, 2025-KB5049622 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2

January 14, 2025-KB5049622 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 Release Date: January 14, 2025 Version: .NET Framework 3.5 and 4.8.1 The January 14, 2025 update for Windows 11, version 24H2 includes security and cumulative reliability improvements in .NE...