September 9, 2025—KB5065508 (Monthly Rollup)

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

September 9, 2025—KB5065509 (Monthly Rollup)

September 9, 2025—KB5065509 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 a...

September 9, 2025—KB5065468 (Monthly Rollup)

September 9, 2025—KB5065468 Monthly Rollup 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...

September 9, 2025—KB5065507 (Monthly Rollup)

September 9, 2025—KB5065507 Monthly Rollup Applies To Windows Server 2012 R2 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 R2. For a successful installation, please make...

September 9, 2025—KB5065430 (OS Build 10240.21128)

September 9, 2025—KB5065430 OS Build 10240.21128 Applies To Windows 10 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 business devices to boot...

September 9, 2025—KB5065427 (OS Build 14393.8422)

September 9, 2025—KB5065427 OS Build 14393.8422 Applies To Windows 10, version 1607, all editions Windows Server 2016, all editions Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the...

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 Applies To SQL Server 2017 on Linux SQL Server 2017 on Windows Summary Improvements and fixes included in this update How to obtain and install the update More information File information Information about...

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 Applies To SQL Server 2016 Service Pack 3 Summary Improvements and fixes included in this update How to obtain and install the update More information File information Information...

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 Applies To SQL Server 2016 Service Pack 3 Summary Improvements and fixes included in this update How to obtain and install the update More information File information Information about protection and...

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 Applies To SQL Server 2019 on Windows SQL Server 2019 on Linux Summary Improvements and fixes included in this update How to obtain and install the update More information File information Information about...

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 Applies To SQL Server 2019 on Windows SQL Server 2019 on Linux Summary Improvements and fixes included in this update How to obtain and install the update How to obtain or download the latest cumulative...

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 Applies To SQL Server 2022 on Windows all editions SQL Server 2022 on Linux all editions Summary Improvements and fixes included in this update How to obtain and install the update More information File...

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 Applies To SQL Server 2022 on Windows all editions SQL Server 2022 on Linux all editions Summary Improvements and fixes included in this update How to obtain and install the update How to obtain or download...

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

Description of the security update for Office 2016: September 09, 2025 KB5002576 Applies To Office Standard 2016 Office Professional 2016 Office Professional Plus 2016 Office Home and Business 2016 Office Home and Student 2016 Summary This security update resolves a Microsoft Office remote code...

Description of the security update for SharePoint Server 2019: September 9, 2025 (KB5002775)

Description of the security update for SharePoint Server 2019: September 9, 2025 KB5002775 Applies To SharePoint Server 2019 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...

Description of the security update for SharePoint Server 2019 Language Pack: September 9, 2025 (KB5002774)

Description of the security update for SharePoint Server 2019 Language Pack: September 9, 2025 KB5002774 Applies To SharePoint Server 2019 Summary Important Prior to installing this Cumulative Update, if you're running the 2013 Style Workflows, you must install the August 2025 patch for SharePoin...

Description of the security update for SharePoint Server 2016 Language Pack: September 9, 2025 (KB5002777)

Description of the security update for SharePoint Server 2016 Language Pack: September 9, 2025 KB5002777 Applies To SharePoint Server 2016 Summary Important Prior to installing this Cumulative Update, if you're running the 2013 Style Workflows, you must install the August 2025 patch for SharePoin...

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 Applies To Office Online Server Summary This security update resolves a Microsoft Excel remote code execution vulnerability. To learn more about the vulnerability, see the following security advisories:...

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

Description of the security update for Excel 2016: September 09, 2025 KB5002782 Applies To Excel 2016 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...

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

Description of the security update for Office 2016: September 09, 2025 KB5002781 Applies To Office Professional Plus 2016 Office Professional 2016 Office Standard 2016 Office Home and Business 2016 Office Home and Student 2016 Summary This security update resolves a Microsoft Office remote code...

Description of the security update for SharePoint Server 2016: September 9, 2025 (KB5002778)

Description of the security update for SharePoint Server 2016: September 9, 2025 KB5002778 Applies To SharePoint Server 2016 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...

End of support for Office 2016 and Office 2019

End of support for Office 2016 and Office 2019 Applies To Office 2019 Office 2016 Get help with Copilot Tell me about end of support for Office 2016 for Mac. Show me how to remove the conflicting 2013 app. Support for Office 2016 and Office 2019 ended on October 14, 2025. While your Office 2016 a...

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

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

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 Applies To SQL Server 2017 on Windows SQL Server 2017 on Linux Summary Improvements and fixes included in this update How to obtain and install the update More information File information Information about...

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

KB5065435: Cumulative security update for Internet Explorer: September 9, 2025 Applies To Windows Server 2008 Premium Assurance Windows Server 2008 R2 Premium Assurance Windows Server 2012 ESU Windows Server 2012 R2 ESU Note Important Certain versions of Microsoft Internet Explorer have reached t...

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 Applies To .NET Note 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...

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 .NET Note Applies to: Microsoft .NET Framework 2.0 Microsoft .NET Framework 3.0 Microsoft .NET Framework 3.5 SP1 Microsoft .NET Framework 4.6.2 Note IMPORTANT...

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 .NET Note Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microso...

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 (KB5065959)

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 KB5065959 Applies To .NET Note 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...

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 Applies To .NET Note Release Date: September 9, 2025 Version: .NET Framework 3.5, 4.8 and 4.8.1 Note IMPORTANT This update is included in the Cumulative Update that's dated September 9,...

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 Applies To .NET Note Release Date: September 9, 2025 Version: .NET Framework 3.5, 4.7.2 and 4.8 Summary This article describes the security and cumulative updat...

KB5065768: Servicing stack update for Windows Server 2012: September 9, 2025

KB5065768: Servicing stack update for Windows Server 2012: September 9, 2025 Applies To Windows Server 2012 ESU 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...

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 Applies To Win 10 Ent LTSB 2016 Win 10 IoT Ent LTSB 2016 Windows Server 2016 Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have...

KB5065767: Servicing stack update for Windows Server 2012 R2: September 9, 2025

KB5065767: Servicing stack update for Windows Server 2012 R2: September 9, 2025 Applies To Windows Server 2012 R2 ESU 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...

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 Applies To .NET Note 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...

KB5065766: Servicing stack update for Windows 10: September 9, 2025

KB5065766: Servicing stack update for Windows 10: September 9, 2025 Applies To Windows 10 Win 10 IoT Ent LTSB 2015 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 certa...

September 9, 2025-KB5064403 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2 and Windows 11, version 23H2

September 9, 2025-KB5064403 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2 and Windows 11, version 23H2 Applies To .NET Note IMPORTANT This update was originally released in the Security and Quality Rollup that’s dated August 26, 2025. This update is included in t...

.NET 9.0 Update - September 9, 2025 (KB5066234)

.NET 9.0 Update - September 9, 2025 KB5066234 .NET 9.0 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 9.0 servicing updates are upgrades. The latest servicing update for 9.0...

.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...

KB5066359—Security Update for Windows PowerShell (Hotpatch)

KB5066359—Security Update for Windows PowerShell Hotpatch Applies To Windows Server 2022 Datacenter: Azure Edition Note Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. Microsoft has been updating...

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 Applies To .NET Note Release Date: September 9, 2025 Version: .NET Framework 3.5, 4.8 and 4.8.1 Note IMPORTANT This update is included in the Cumulative Update that's dated September 9,...

Hotfix update for Exchange Server Subscription Edition RTM HU2: September 8, 2025 (KB5066373)

Hotfix update for Exchange Server Subscription Edition RTM HU2: September 8, 2025 KB5066373 Hotfix update HU 2 for Microsoft Exchange Server SE RTM was released on September 8, 2025. It includes fixes for non-security issues and may introduce new features. These fixes and features will also be...

Hotfix update for Exchange Server 2016 CU23 HU18: September 8, 2025 (KB5066370)

Hotfix update for Exchange Server 2016 CU23 HU18: September 8, 2025 KB5066370 Hotfix update HU 18 for Microsoft Exchange Server 2016 CU23 was released on September 8, 2025. It includes fixes for non-security issues and may introduce new features. These fixes and features will also be included in...

Hotfix update for Exchange Server 2019 CU15 HU4: September 8, 2025 (KB5066372)

Hotfix update for Exchange Server 2019 CU15 HU4: September 8, 2025 KB5066372 Hotfix update HU 4 for Microsoft Exchange Server 2019 CU15 was released on September 8, 2025. It includes fixes for non-security issues and may introduces new features. These fixes and features will also be included in...

Hotfix update for Exchange Server 2019 CU14 HU7: September 8, 2025 (KB5066371)

Hotfix update for Exchange Server 2019 CU14 HU7: September 8, 2025 KB5066371 Hotfix update HU 7 for Microsoft Exchange Server 2019 CU14 was released on September 8, 2025. It includes fixes for non-security issues and may introduce new features. These fixes and features will also be included in...

August 29, 2025—KB5064081 (OS Build 26100.5074) Preview

August 29, 2025—KB5064081 OS Build 26100.5074 Preview Applies To Windows 11 version 24H2, all editions Windows Secure Boot certificate expiration Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and busines...

August 28, 2025-KB5064401 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 and Microsoft server operating system version 24H2

August 28, 2025-KB5064401 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 and Microsoft server operating system version 24H2 Applies To .NET Note IMPORTANT This update was originally released in the Security and Quality Rollup that’s dated August 26, 2025. This...

August 26, 2025-KB5064794 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2

August 26, 2025-KB5064794 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 Applies To .NET Note Release Date: August 26, 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...

August 26, 2025—KB5064080 (OS Build 22631.5840) Preview

August 26, 2025—KB5064080 OS Build 22631.5840 Preview Applies To Windows 11 version 23H2, all editions Windows Secure Boot certificate expiration Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and busines...

August 26, 2025—KB5063842 (OS Build 19045.6282) Preview

August 26, 2025—KB5063842 OS Build 19045.6282 Preview Applies To Windows 10 Home and Pro, version 22H2 Windows 10 Enterprise Multi-Session, version 22H2 Windows 10 Enterprise and Education, version 22H2 Windows 10 IoT Enterprise, version 22H2 Windows Secure Boot certificate expiration Important:...