KB5066584: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: October 14, 2025

KB5066584: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: 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 certificat...

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...

October 14, 2025-Security Only Update for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 (KB5066749)

October 14, 2025-Security Only Update for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 KB5066749 Applies to:Microsoft .NET Framework 2.0 Microsoft .NET Framework 3.0 Microsoft .NET Framework 3.5 SP1 Microsoft .NET Framework 4.6.2 Summary Note Starting in July 2020, there wi...

October 14, 2025-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 (KB5066748)

October 14, 2025-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 KB5066748 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 Framework 4.7....

September 29, 2025—KB5065789 (OS Builds 26200.6725 and 26100.6725) Preview

September 29, 2025—KB5065789 OS Builds 26200.6725 and 26100.6725 Preview 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...

September 25, 2025—KB5066198 (OS Build 19045.6396) Preview

September 25, 2025—KB5066198 OS Build 19045.6396 Preview 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...

September 23, 2025—KB5065790 (OS Build 22631.5984) Preview

September 23, 2025—KB5065790 OS Build 22631.5984 Preview 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...

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...

Description of the security update for PowerPoint 2016: September 09, 2025 (KB5002779)

Description of the security update for PowerPoint 2016: September 09, 2025 KB5002779 Summary This security update resolves a Microsoft PowerPoint remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2025-54908.​​​​​​​...

Description of the security update for Office 2016: September 09, 2025 (KB5002781)

Description of the security update for Office 2016: September 09, 2025 KB5002781 Summary This security update resolves a Microsoft Office remote code execution vulnerability. To learn more about the vulnerability, see the following security advisories: Microsoft Common Vulnerabilities and Exposur...

End of support for Office 2016 and Office 2019

None None...

Description of the security update for SharePoint Server 2016: September 09, 2025 (KB5002778)

Description of the security update for SharePoint Server 2016: September 09, 2025 KB5002778 Summary Important: ​​​​​​​Prior to installing this Cumulative Update, if you're running the 2013 Style Workflows, you must install the August 2025 patch for SharePoint Workflow manager to your Farm. If...

Description of the security update for SharePoint Server 2016 Language Pack: September 09, 2025 (KB5002777)

Description of the security update for SharePoint Server 2016 Language Pack: September 09, 2025 KB5002777 Summary Important: ​​​​​​​Prior to installing this Cumulative Update, if you're running the 2013 Style Workflows, you must install the August 2025 patch for SharePoint Workflow manager to you...

Description of the security update for Office Online Server: September 09, 2025 (KB5002776)

Description of the security update for Office Online Server: September 09, 2025 KB5002776 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 Office 2016: September 09, 2025 (KB5002576)

Description of the security update for Office 2016: September 09, 2025 KB5002576 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-2025-54906. Note: To apply...

KB5065224 - Description of the security update for SQL Server 2017 GDR: September 9, 2025

KB5065224 - Description of the security update for SQL Server 2017 GDR: September 9, 2025 Summary Improvements and fixes included in this update How to obtain and install the update More information File information Information about protection and security Summary This security update contains...

September 9, 2025—KB5065511 (Security-only update)

September 9, 2025—KB5065511 Security-only update 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...

September 9, 2025—KB5065508 (Monthly Rollup)

September 9, 2025—KB5065508 Monthly Rollup 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 past...

September 9, 2025—KB5065507 (Monthly Rollup)

September 9, 2025—KB5065507 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...

KB5065435: Cumulative security update for Internet Explorer: September 9, 2025

KB5065435: Cumulative security update for Internet Explorer: September 9, 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...

September 9, 2025—KB5065510 (Security-only update)

September 9, 2025—KB5065510 Security-only update 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...

Description of the security update for SharePoint Server 2019 Language Pack: September 09, 2025 (KB5002774)

Description of the security update for SharePoint Server 2019 Language Pack: September 09, 2025 KB5002774 Summary Important: ​​​​​​​Prior to installing this Cumulative Update, if you're running the 2013 Style Workflows, you must install the August 2025 patch for SharePoint Workflow manager to you...

Description of the security update for SharePoint Server 2019: September 09, 2025 (KB5002775)

Description of the security update for SharePoint Server 2019: September 09, 2025 KB5002775 Summary Important: ​​​​​​​​​​​​​​Prior to installing this Cumulative Update, if you're running the 2013 Style Workflows, you must install the August 2025 patch for SharePoint Workflow manager to your Farm...

Description of the security update for SharePoint Server Subscription Edition: September 09, 2025 (KB5002784)

Description of the security update for SharePoint Server Subscription Edition: September 09, 2025 KB5002784 Summary Important: Prior to installing this Cumulative Update, if you're running the 2013 Style Workflows, you must install the August 2025 patch for SharePoint Workflow manager to your Far...

Description of the security update for Excel 2016: September 09, 2025 (KB5002782)

Description of the security update for Excel 2016: September 09, 2025 KB5002782 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 Office 2016: September 09, 2025 (KB5002762)

Description of the security update for Office 2016: September 09, 2025 KB5002762 Summary This security update resolves a Microsoft Excel information disclosure vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2025-54901.​​​​​​​​​​ Note: ...

Description of the security update for Office 2016: September 09, 2025 (KB5002766)

Description of the security update for Office 2016: September 09, 2025 KB5002766 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-2025-54906. Note: To apply...

KB5065223 - Description of the security update for SQL Server 2019 GDR: September 9, 2025

KB5065223 - Description of the security update for SQL Server 2019 GDR: September 9, 2025 Summary Improvements and fixes included in this update How to obtain and install the update More information File information Information about protection and security Summary This security update contains...

KB5065222 - Description of the security update for SQL Server 2019 CU32: September 9, 2025

KB5065222 - Description of the security update for SQL Server 2019 CU32: September 9, 2025 Summary Improvements and fixes included in this update How to obtain and install the update How to obtain or download the latest cumulative update package for Linux More information File information...

KB5065220 - Description of the security update for SQL Server 2022 CU20: September 9, 2025

KB5065220 - Description of the security update for SQL Server 2022 CU20: September 9, 2025 Summary Improvements and fixes included in this update How to obtain and install the update How to obtain or download the latest cumulative update package for Linux More information File information...

September 9, 2025—KB5065430 (OS Build 10240.21128)

September 9, 2025—KB5065430 OS Build 10240.21128 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...

KB5065227 - Description of the security update for SQL Server 2016 SP3 Azure Connect Feature Pack: September 9, 2025

KB5065227 - Description of the security update for SQL Server 2016 SP3 Azure Connect Feature Pack: September 9, 2025 Summary Improvements and fixes included in this update How to obtain and install the update More information File information Information about protection and security Summary This...

KB5065226 - Description of the security update for SQL Server 2016 SP3 GDR: September 9, 2025

KB5065226 - Description of the security update for SQL Server 2016 SP3 GDR: September 9, 2025 Summary Improvements and fixes included in this update How to obtain and install the update More information File information Information about protection and security Summary This security update contai...

KB5065225 - Description of the security update for SQL Server 2017 CU31: September 9, 2025

KB5065225 - Description of the security update for SQL Server 2017 CU31: September 9, 2025 Summary Improvements and fixes included in this update How to obtain and install the update More information File information Information about protection and security Summary This security update contains...

KB5065221 - Description of the security update for SQL Server 2022 GDR: September 9, 2025

KB5065221 - Description of the security update for SQL Server 2022 GDR: September 9, 2025 Summary Improvements and fixes included in this update How to obtain and install the update More information File information Information about protection and security Summary This security update contains...

September 9, 2025—KB5065427 (OS Build 14393.8422)

September 9, 2025—KB5065427 OS Build 14393.8422 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...

September 9, 2025—KB5065468 (Monthly Rollup)

September 9, 2025—KB5065468 Monthly Rollup 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 past...

September 9, 2025—KB5065509 (Monthly Rollup)

September 9, 2025—KB5065509 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...

.NET 8.0 Update - September 9, 2025 (KB5066233)

.NET 8.0 Update - September 9, 2025 KB5066233 .NET 8.0 has been refreshed with the latest update as of September 9, 2025. This update contains non-security fixes. See the release notes for details about updated packages..NET 8.0 servicing updates are upgrades. The latest servicing update for 8.0...

September 9, 2025-KB5065962 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows Server 2022

September 9, 2025-KB5065962 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows Server 2022 Release Date: September 9, 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 Server 2022...

September 9, 2025-Security and Quality Rollup for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 (KB5065961)

September 9, 2025-Security and Quality Rollup for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 KB5065961 Applies to: Microsoft .NET Framework 2.0 Microsoft .NET Framework 3.0 Microsoft .NET Framework 3.5 SP1 Microsoft .NET Framework 4.6.2 IMPORTANT This update is included i...

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...

September 9, 2025-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 R2 (KB5065960)

September 9, 2025-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 R2 KB5065960 Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET Framework 4.7...

September 9, 2025-KB5065957 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2

September 9, 2025-KB5065957 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 Release Date: September 9, 2025 Version: .NET Framework 3.5, 4.8 and 4.8.1 IMPORTANT This update is included in the Cumulative Update that's dated September 9, 2025. Parts of this updat...

September 9, 2025-KB5065956 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2

September 9, 2025-KB5065956 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 Release Date: September 9, 2025 Version: .NET Framework 3.5, 4.8 and 4.8.1 IMPORTANT This update is included in the Cumulative Update that's dated September 9, 2025. Parts of this updat...

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...

September 9, 2025-KB5065749 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1607 and Windows Server 2016

September 9, 2025-KB5065749 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1607 and Windows Server 2016 Release Date: September 9, 2025 Version: .NET Framework 4.8 The September 9, 2025 update for Windows 10, version 1607 and Windows Server 2016 includes security and cumulative...

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...

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...

September 9, 2025-KB5065955 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server 2019

September 9, 2025-KB5065955 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server 2019 Release Date: September 9, 2025 Version: .NET Framework 3.5, 4.7.2 and 4.8 Summary This article describes the security and cumulative update for 3.5, 4.7.2 and...