Servicing stack update for Windows 8.1, RT 8.1, and Server 2012 R2: November 12, 2019

Servicing stack update for Windows 8.1, RT 8.1, and Server 2012 R2: November 12, 2019 Summary This update makes quality improvements to the servicing stack, which is the component that installs Windows updates.We strongly recommend you install the latest servicing stack update SSU for your...

Update Rollup 7 for System Center 2016 Data Protection Manager

Update Rollup 7 for System Center 2016 Data Protection Manager Applies To System Center 2016 Data Protection Manager Introduction This article describes the issues that are fixed in Update Rollup 7 for Microsoft System Center 2016 Data Protection Manager. This article also contains the installati...

Updates for Skype for Business Server 2019 (KB4470124)

Updates for Skype for Business Server 2019 KB4470124 Applies To Skype for Business Server 2019 This article specifies the applicability of Microsoft Skype for Business Server 2019 updates for each server role. Note Skype for Business Server 2019, August 2025 update includes critical security...

July 14, 2020-KB4566516 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10 Version 1809 and Windows Server 2019

July 14, 2020-KB4566516 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: July 14, 2020 Version: .NET Framework 3.5, 4.7.2 and 4.8 Summary A remote code execution vulnerability exists in .NET Framework wh...

August 11, 2026—KB5120238 (OS Build 17763.9121)

August 11, 2026—KB5120238 OS Build 17763.9121 Applies To Windows Server 2019 Win 10 Ent LTSC 2019 Windows Secure Boot certificate expiration Important Secure Boot certificates used by most Windows devices started to expire in June 2026. Microsoft has been updating these certificates on PCs and...

February 14, 2023-KB5022782 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server 2019

February 14, 2023-KB5022782 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: February 14, 2023 Version: .NET Framework 3.5, 4.7.2 and 4.8 Note Revised on Jun 20, 2023 to add resolution to known issue...

October 14, 2025—KB5066791 (OS Builds 19044.6456 and 19045.6456)

October 14, 2025—KB5066791 OS Builds 19044.6456 and 19045.6456 Applies To Windows 10 Home and Pro, version 21H2 Windows 10 Enterprise and Education, version 21H2 Windows 10 IoT Enterprise, version 21H2 Windows 10 Home and Pro, version 22H2 Windows 10 Enterprise Multi-Session, version 22H2 Windows...

Description of the security update for Office 2013: January 9, 2018

Description of the security update for Office 2013: January 9, 2018 Summary This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about the vulnerabilities, go to the following Common...

Servicing stack update for Windows 7 SP1 and Windows Server 2008 R2 SP1: March 12, 2019

Servicing stack update for Windows 7 SP1 and Windows Server 2008 R2 SP1: March 12, 2019 Summary This update makes quality improvements to the servicing stack component that installs Windows updates. Key changes include: Addresses an issue in the servicing stack when you install an update that has...

May 9, 2023—KB5026415 (Monthly Rollup)

May 9, 2023—KB5026415 Monthly Rollup Applies To Windows Server 2012 R2 Windows Embedded 8.1 Industry Enterprise Windows Embedded 8.1 Industry Pro Note REMINDERWindows 8.1 reached end of support on January 10, 2023, at which point technical assistance and software updates are no longer provided. I...

Description of the security update for Office 2010: April 11, 2017

Description of the security update for Office 2010: April 11, 2017 Summary This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about these vulnerabilities, see Microsoft Common...

March 14, 2023—KB5023696 (OS Builds 19042.2728, 19044.2728, and 19045.2728) - EXPIRED

March 14, 2023—KB5023696 OS Builds 19042.2728, 19044.2728, and 19045.2728 - EXPIRED Applies To Windows 10 Enterprise Multi-Session, version 20H2 Windows 10 Enterprise and Education, version 20H2 Windows 10 IoT Enterprise, version 20H2 Windows 10 on Surface Hub Windows 10, version 21H2, all editio...

October 8, 2019—KB4520005 (Monthly Rollup)

October 8, 2019—KB4520005 Monthly Rollup Applies To Windows 8.1 Windows Server 2012 R2 Improvements and fixes This security update includes improvements and fixes that were a part of update KB4516041 released September 24, 2019 and addresses the following issues: Addresses an issue with...

April 9, 2024—KB5036896 (OS Build 17763.5696) - EXPIRED

April 9, 2024—KB5036896 OS Build 17763.5696 - EXPIRED Applies To Win 10 Ent LTSC 2019 Win 10 IoT Ent LTSC 2019 Windows 10 IoT Core LTSC Windows Server 2019 Note EXPIRATION NOTICE IMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release...

Update Rollup 3 for Windows MultiPoint Server 2012

Update Rollup 3 for Windows MultiPoint Server 2012 Summary This article describes Update Rollup 3 for Windows MultiPoint Server 2012. This update rollup resolves issues that were found in Windows MultiPoint Server 2012 after the software was released. This update rollup is highly recommended for...

August 11, 2026—KB5120418 (OS Build 14393.9418)

August 11, 2026—KB5120418 OS Build 14393.9418 Applies To Windows Server 2016, all editions Win 10 Ent LTSB 2016 Win 10 IoT Ent LTSB 2016 Windows Secure Boot certificate expiration Important Secure Boot certificates used by most Windows devices started to expire in June 2026. Microsoft has been...

Description of the security update for Office 2016: January 9, 2018 (KB4011574)

Description of the security update for Office 2016: January 9, 2018 KB4011574 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 vulnerabilities in Microsoft Office...

January 14, 2020—KB4534297 (Monthly Rollup)

January 14, 2020—KB4534297 Monthly Rollup Applies To Windows 8.1 Windows Server 2012 R2 Windows Embedded 8.1 Industry Enterprise Windows Embedded 8.1 Industry Pro Improvements and fixes This security update includes improvements and fixes that were a part of update KB4525252 released November 19,...

September 10, 2019—KB4516067 (Monthly Rollup)

September 10, 2019—KB4516067 Monthly Rollup Applies To Windows 8.1 Windows Server 2012 R2 Improvements and fixes This security update includes improvements and fixes that were a part of update KB 4512478 released August 17, 2019 and addresses the following issues: Provides protections against a n...

December 13, 2022-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 8.1, RT 8.1, and Windows Server 2012 R2 (KB5021093)

December 13, 2022-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 8.1, RT 8.1, and Windows Server 2012 R2 KB5021093 Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1...

March 14, 2023—KB5023697 (OS Build 14393.5786) - EXPIRED

March 14, 2023—KB5023697 OS Build 14393.5786 - EXPIRED Applies To Windows 10, version 1607, all editions Windows Server 2016, all editions EXPIRATION NOTICE IMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend...

Security and Quality Rollup for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 (KB4570506)

Security and Quality Rollup for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 KB4570506 Applies to: Microsoft .NET Framework 3.5.1 Microsoft .NET Framework 4.5.2 Microsoft .NET Framework 4.6 Microsoft .NET Framework 4.6.1...

April 11, 2023—KB5025285 (Monthly Rollup)

April 11, 2023—KB5025285 Monthly Rollup Applies To Windows Server 2012 R2 Windows Embedded 8.1 Industry Enterprise Windows Embedded 8.1 Industry Pro Note REMINDERWindows 8.1 reached end of support on January 10, 2023, at which point technical assistance and software updates are no longer provided...

Security Only Update for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 (KB4556403)

Security Only Update for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 KB4556403 Notice Revised 6/8/2021 On June 8th, 2021, this update was released to replace a previous update to address a “revocation server was offline”...

July 9, 2024—KB5040434 (OS Build 14393.7159) - EXPIRED

July 9, 2024—KB5040434 OS Build 14393.7159 - EXPIRED Applies To Windows 10, version 1607, all editions Windows Server 2016, all editions EXPIRATION NOTICE IMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend...

September 10, 2019—KB4516044 (OS Build 14393.3204)

September 10, 2019—KB4516044 OS Build 14393.3204 Applies To Windows 10, version 1607, all editions Windows Server 2016, all editions Note Reminder: The additional servicing for Windows 10 Enterprise, Education, and IoT Enterprise editions ended on April 9, 2019 and doesn't extend beyond this date...

August 13, 2019—KB4512476 (Monthly Rollup)

August 13, 2019—KB4512476 Monthly Rollup Applies To Windows Server 2008 Service Pack 2 Note Customers who have applied KB4489887 or later Monthly Rollup Packages to Microsoft Server 2008 SP2 may notice a change to the operating system version string. The “build number” component of the version...

Microsoft Dynamics CRM 2011 Update Rollup 18

Microsoft Dynamics CRM 2011 Update Rollup 18 INTRODUCTION Update Rollup 18 for Microsoft Dynamics CRM 2011 is available. This article describes the hotfixes and updates that are included in this update rollup. This update rollup is available for all languages that are supported by Microsoft...

KB5123607: Security Update (OS Builds 26100.9106 and 26200.9106)

KB5123607: Security Update OS Builds 26100.9106 and 26200.9106 Applies To Windows 11 Enterprise LTSC 2024 Important This update applies only to devices enrolled in hotpatch updates. For more information, see Hotpatch updates. Improvements and fixes The following summary outlines key issues...

KB5031539: Servicing stack update for Windows 10, version 21H2 and 22H2: October 10, 2023

KB5031539: Servicing stack update for Windows 10, version 21H2 and 22H2: October 10, 2023 Applies To Windows 10 Home and Pro, version 21H2 Windows 10 Enterprise and Education, version 21H2 Windows 10 IoT Enterprise, version 21H2 Windows 10 Home and Pro, version 22H2 Windows 10 Enterprise...

February 10, 2026—KB5075906 (OS Build 20348.4773)

February 10, 2026—KB5075906 OS Build 20348.4773 Applies To Windows Server 2022 This cumulative update for Windows Server 2022 KB5075906, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences...

Internet Explorer help

Internet Explorer help Internet Explorer 11 support ended Support for Internet Explorer 11 ended on June 15, 2022. If any site you visit needs Internet Explorer, you can reload it with Internet Explorer mode in Microsoft Edge. Get started with Microsoft Edge Make the switch from Internet Explorer...

September 10, 2019—KB4516051 (Security-only update)

September 10, 2019—KB4516051 Security-only update Applies To Windows Server 2008 Service Pack 2 Improvements and fixes This security update includes quality improvements. Key changes include: Provides protections against a new subclass of speculative execution side-channel vulnerabilities, known ...

December 10, 2019—KB4530715 (OS Build 17763.914)

December 10, 2019—KB4530715 OS Build 17763.914 Applies To Windows 10, version 1809, all editions Windows Server version 1809 Windows Server 2019, all editions Note Note This release also contains updates for Microsoft HoloLens OS Build 17763.914 released December 10, 2019. Microsoft will release ...

December 10, 2024—KB5048654 (OS Build 20348.2966)

December 10, 2024—KB5048654 OS Build 20348.2966 Applies To Windows Server 2022 Note 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...

June 9, 2026—KB5094125 (OS Build 26100.32995)

June 9, 2026—KB5094125 OS Build 26100.32995 Applies To Windows Server 2025, all editions This cumulative update for Windows Server 2025 KB5094125, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about...

MS09-035: Vulnerabilities in Visual Studio Active Template Libraries could allow remote code execution

Addresses vulnerabilities in the Active Template Libraries for the Microsoft Visual Studio that could allow remote code execution. Applies to systems with ActiveX controls installed that were built using Visual Studio Active Template Libraries.INTRODUCTIONMicrosoft has released security bulletin...

February 14, 2023-KB5022729 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2

February 14, 2023-KB5022729 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 Applies To .NET Note Revised 3/29/2023 to add an resolution to a Known issues in this update. Revised 3/24/2023 to add an additional Known issues in this update. Note Revised on Jun 20,...

October 10, 2023—KB5031419 (Monthly Rollup)

October 10, 2023—KB5031419 Monthly Rollup Applies To Windows Server 2012 R2 Note REMINDER Windows 8.1 reached end of support on January 10, 2023, at which point technical assistance and software updates are no longer provided. If you have devices running Windows 8.1, we recommend upgrading them t...

November 12, 2024—KB5046616 (OS Build 20348.2849)

November 12, 2024—KB5046616 OS Build 20348.2849 Applies To Windows Server 2022 Note 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...

April 14, 2020—KB4550929 (OS Build 14393.3630)

April 14, 2020—KB4550929 OS Build 14393.3630 Applies To Windows 10, version 1607, all editions Windows Server 2016, all editions Note NEW IMPORTANT We have been evaluating the public health situation, and we understand this is impacting our customers. In response to these challenges, we are...

Security and Quality Rollup for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Server 2008 R2 SP1 (KB4514602)

Security and Quality Rollup for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Server 2008 R2 SP1 KB4514602 Applies to: Microsoft .NET Framework 3.5.1 Microsoft .NET Framework 4.5.2 Microsoft .NET Framework 4.6 Microsoft .NET Framework 4.6.1 Microsoft...

Security Only update for the .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, and 4.7 for Windows Server 2012: September 12, 2017

Security Only update for the .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, and 4.7 for Windows Server 2012: September 12, 2017 View products that this article applies to. Summary This security update resolves a vulnerability in the Microsoft .NET Framework that could allow remote code execution...

August 13, 2019—KB4512486 (Security-only update)

August 13, 2019—KB4512486 Security-only update Applies To Windows 7 Service Pack 1 Windows Server 2008 R2 Service Pack 1 Note IMPORTANT Verify that you have installed the required updates listed in the How to get this update section before installing this update. Improvements and fixes This...

Description of the security update for Outlook 2016: March 14, 2023 (KB5002254)

Description of the security update for Outlook 2016: March 14, 2023 KB5002254 Applies To Outlook 2016 Summary This security update resolves a Microsoft Outlook elevation of privilege vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures...

August 27, 2026-KB5122385 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 and Microsoft server operating system 24H2

August 27, 2026-KB5122385 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 and Microsoft server operating system 24H2 Applies To .NET Note Release Date: August 27, 2026 Version: .NET Framework 3.5 and 4.8.1 The August 27, 2026 update for Windows 11, version 25H2 and...

September 14, 2021—KB5005633 (Monthly Rollup)

September 14, 2021—KB5005633 Monthly Rollup Applies To Windows 7 Enterprise ESU Windows 7 Professional ESU Windows 7 Ultimate ESU Windows Server 2008 R2 Enterprise ESU Windows Server 2008 R2 Standard ESU Windows Server 2008 R2 Datacenter ESU Windows Embedded Standard 7 ESU Windows Embedded POSRea...

MS10-087: Vulnerabilities in Microsoft Office could allow remote code execution

Description of the vulnerabilities in Microsoft Office could allow remote code execution.INTRODUCTIONMicrosoft has released security bulletin MS10-087. To view the complete security bulletin, visit one of the following Microsoft websites: Home...

June 9, 2026—KB5094126 (OS Builds 26200.8655 and 26100.8655)

June 9, 2026—KB5094126 OS Builds 26200.8655 and 26100.8655 Applies To Windows 11 version 25H2, all editions Windows 11 version 24H2, all editions This cumulative update for Windows 11, version 25H2 and 24H2 KB5094126 includes the latest security fixes and improvements, along with non-security...

December 10, 2024—KB5048671 (OS Build 14393.7606)

December 10, 2024—KB5048671 OS Build 14393.7606 Applies To Windows 10, version 1607, all editions Windows Server 2016, all editions Note 11/19/20 For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an...