Internet Explorer help

None None...

February 10, 2026—KB5075941 (OS Build 22631.6649)

February 10, 2026—KB5075941 OS Build 22631.6649 ​​​​​This cumulative update for Windows 11, version 23H2 KB5075941, 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...

KB5062799: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: July 8, 2025

KB5062799: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: July 8, 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 o...

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...

September 10, 2024—KB5043067 (OS Build 22000.3197)

September 10, 2024—KB5043067 OS Build 22000.3197 07/09/24---END OF SERVICE NOTICE ---IMPORTANT All editions of Windows 11, version 21H2 will reach end of service on October 8, 2024. After that date, these devices will not receive monthly security and non-security updates. These updates contain...

August 13, 2024—KB5041850 (Monthly Rollup)

August 13, 2024—KB5041850 Monthly Rollup End of support information Windows Server 2008 SP2 Extended Security Updates ESU third and final year ended on January 10, 2023. Additionally, Extended Security Updates on Azure only support ended on January 9, 2024. For more information, see Extended...

July 9, 2024—KB5040485 (Monthly Rollup)

July 9, 2024—KB5040485 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 are...

.NET 8.0 Update - January 09, 2024 (KB5033741)

.NET 8.0 Update - January 09, 2024 KB5033741 NET 8.0 has been refreshed with the latest update as of January 09, 2024. This update contains both security and non-security fixes. See the release notes for details on updated packages..NET 8.0 servicing updates are upgrades. The latest servicing...

November 8, 2022—KB5020009 (Monthly Rollup)

November 8, 2022—KB5020009 Monthly Rollup Summary Learn more about this cumulative security update, including improvements, any known issues, and how to get the update. REMINDER Windows Server 2012 has reached the end of mainstream support and is now in extended support. Starting in July 2020,...

Description of the security update for Microsoft Exchange Server 2019: January 10, 2023 (KB5022193)

Description of the security update for Microsoft Exchange Server 2019: January 10, 2023 KB5022193 This security update rollup resolves vulnerabilities in Microsoft Exchange Server. To learn more about these vulnerabilities, see the following Common Vulnerabilities and Exposures CVE CVE-2023-21745...

Description of the security update for SharePoint Foundation 2013: September 13, 2022 (KB5002159)

Description of the security update for SharePoint Foundation 2013: September 13, 2022 KB5002159 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...

April 12, 2022—KB5012632 (Security-only update)

April 12, 2022—KB5012632 Security-only update Summary Learn more about this security update, including improvements and fixes, any known issues, and how to get the update. IMPORTANT Windows Server 2008 Service Pack 2 SP2 has reached the end of mainstream support and are now in extended support...

Description of the security update for SharePoint Enterprise Server 2016: May 11, 2021 (KB5001917)

Description of the security update for SharePoint Enterprise Server 2016: May 11, 2021 KB5001917 Summary This security update resolves a Microsoft Word remote code execution vulnerability and SharePoint Denial of Service Update. To learn more about the vulnerabilities, see the following security...

Description of the security update for Outlook 2010: April 13, 2021 (KB4493185)

Description of the security update for Outlook 2010: April 13, 2021 KB4493185 Summary This security update resolves a Microsoft Outlook memory corruption vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2021-28452. Note: To apply this...

October 13, 2020-KB4578970 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1703

October 13, 2020-KB4578970 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1703 Release Date: October 13, 2020 Version: .NET Framework 4.8 Summary Security improvements An information disclosure vulnerability exists when the .NET Framework improperly handles objects in memory. An...

Description of the security update for Office Web Apps Server 2013: October 13, 2020

Description of the security update for Office Web Apps Server 2013: October 13, 2020 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 the...

Description of the security update for SharePoint Server 2010: September 8, 2020

Description of the security update for SharePoint Server 2010: September 8, 2020 Summary This security update resolves a remote code execution vulnerability that exists in Microsoft Excel if the software does not check the source markup of an application package. To learn more about the...

June 9, 2020—KB4561666 (Monthly Rollup)

June 9, 2020—KB4561666 Monthly Rollup IMPORTANT We have been evaluating the public health situation, and we understand this is impacting our customers. In response to these challenges, we are prioritizing our focus on security updates. Starting in May 2020, we are pausing all optional non-securit...

May 12, 2020—KB4556812 (OS Build 16299.1868)

May 12, 2020—KB4556812 OS Build 16299.1868 IMPORTANT We have been evaluating the public health situation, and we understand the impact this is having on you, our valued customers. To ease one of the many burdens you are currently facing, we have decided to delay the scheduled end of service date...

Description of the security update for the elevation of privilege vulnerability in Microsoft Visual Studio 2015 Update 3: April 14, 2020

Description of the security update for the elevation of privilege vulnerability in Microsoft Visual Studio 2015 Update 3: April 14, 2020 Applies to: All Visual Studio 2015 Update 3 editions except Build Tools Notice In November 2020, the content of this article was updated to clarify the affected...

Description of Update Rollup 5 for System Center 2012 R2 Operations Manager

Description of Update Rollup 5 for System Center 2012 R2 Operations Manager Introduction This article describes the issues that are fixed in Update Rollup 5 for Microsoft System Center 2012 R2 Operations Manager. This article also contains the installation instructions for Update Rollup 5 for...

Servicing stack update for Windows 7 SP1 and Server 2008 R2 SP1: April 14, 2020

Servicing stack update for Windows 7 SP1 and Server 2008 R2 SP1: April 14, 2020 Applies to Windows 7 for 32-bit Systems Service Pack 1 Windows 7 for x64-based Systems Service Pack 1 Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 Windows Server 2008 R2 for x64-based Systems Servic...

November 12, 2019—KB4525234 (Monthly Rollup)

November 12, 2019—KB4525234 Monthly Rollup IMPORTANT Customers who have purchased the Extended Security Update ESU for on-premises versions of some operating systems must follow specific procedures to continue receiving security updates after extended support ends on January 14, 2020. For more...

July 9, 2019 — KB4506988 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1709

July 9, 2019 — KB4506988 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1709 Applies to: Microsoft .NET Framework 4.8 Summary A remote code execution vulnerability exists in .NET software if the software fails to check the source markup of a file. An Authentication Bypass...

December 11, 2018—KB4471324 (OS Build 17134.471)

December 11, 2018—KB4471324 OS Build 17134.471 Note: Because of minimal operations during the holidays and upcoming Western new year, there won’t be any preview releases for the month of December 2018. Monthly servicing will resume with the January 2019 security releases. Improvements and fixes...

September 11, 2018—KB4457984 (Security-only update)

September 11, 2018—KB4457984 Security-only update Improvements and fixes This security update includes quality improvements. No new operating system features are being introduced in this update. Key changes include: Provides protections against a new speculative execution side-channel vulnerabili...

January 3, 2018—KB4056899 (Security-only update)

January 3, 2018—KB4056899 Security-only update Improvements and fixes This security update includes quality improvements. No new operating system features are being introduced in this update. Key changes include: Security updates to Windows SMB Server, Windows Kernel, Windows Datacenter Networkin...

Description of the security update for the Windows RRAS Service remote code execution vulnerability in Windows Server 2008: December 12, 2017

Description of the security update for the Windows RRAS Service remote code execution vulnerability in Windows Server 2008: December 12, 2017 Summary A remote code execution vulnerability exists in RPC if the server has Routing and Remote Access enabled. An attacker who successfully exploits this...

Description of the security update for Excel 2010: November 14, 2017

Description of the security update for Excel 2010: November 14, 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...

Security update for Windows Server 2008: July 11, 2017

Security update for Windows Server 2008: July 11, 2017 Summary This security update resolves vulnerabilities in Windows Server 2008 that could allow elevation of privilege or information disclosure. To learn more about the vulnerabilities, go to the Security Update Guide. More Information Importa...

MS16-035: Description of the security update for the .NET Framework 4.6 and 4.6.1 in Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2: March 8, 2016

MS16-035: Description of the security update for the .NET Framework 4.6 and 4.6.1 in Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2: March 8, 2016 November 8, 2016 A detection change was made to account for the .NET Framework 4.6.1 hotfix rollup for customers who were not being correctly...

December 2016 Security Only Quality Update for Windows Server 2012

December 2016 Security Only Quality Update for Windows Server 2012 Summary This security update resolves the following vulnerabilities in Windows Server 2012: MS16-153 Security update for common log file system driver MS16-151 Security update for Windows kernel-mode drivers MS16-149 Security upda...

MS16-133: Description of the security update for Office 2010: November 8, 2016

MS16-133: Description of the security update for Office 2010: November 8, 2016 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...

MS16-059: Security update to Windows Media Center: May 10, 2016

MS16-059: Security update to Windows Media Center: May 10, 2016 Summary This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if Windows Media Center opens a specially crafted Media Center link .mcl file that references malicious...

MS13-105: Vulnerabilities in Microsoft Exchange Server could allow remote code execution: December 10, 2013

Resolves vulnerabilities in the WebReady Document Viewing and Data Loss Prevention features of Microsoft Exchange Server. These vulnerabilities could allow remote code execution in the security context of the LocalService account if an attacker sends an email message that contains a specially...

MS11-073: Vulnerability in Microsoft Office could allow remote code execution: September 13, 2011

Resolves security vulnerabilities in Microsoft Office that could allow arbitrary code to run when a maliciously modified file is opened.IntroductionMicrosoft has released security bulletin MS11-073. To view the complete security bulletin, visit one of the following Microsoft websites: Home...

Update Rollup 6 for System Center 2019 Orchestrator

None None...

Internet Explorer help

None None...

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...

January 9, 2024-Security Only Update for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 (KB5034270)

January 9, 2024-Security Only Update for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 KB5034270 Applies to: Microsoft .NET Framework 2.0 Microsoft .NET Framework 3.0 Microsoft .NET Framework 3.5 SP1 Microsoft .NET Framework 4.6.2 REMINDER Windows Embedded 7 Standard and...

August 8, 2023—KB5029308 (Security-only update)

August 8, 2023—KB5029308 Security-only update IMPORTANT Windows Server 2012 end of support EOS date is October 10, 2023. Extended Security Updates ESUs will be available for purchase no later than October 2022, but available for installation after the EOS date, October 10, 2023. ESUs will continu...

Service Update 1.16 for Microsoft Dynamics CRM (on-premises) 9.1

None None...

June 14, 2022—KB5014697 (OS Build 22000.739)

June 14, 2022—KB5014697 OS Build 22000.739 Note: To improve the information presented in the history pages and related KBs and make them more useful to our customers, we have created an anonymous survey for you to share your comments and feedback. For information about Windows update terminology,...

April 12, 2022—KB5012592 (OS Build 22000.613)

April 12, 2022—KB5012592 OS Build 22000.613 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 original release, see its update history page.Note Follow @WindowsUpdate to find out...

Description of the security update for SharePoint Server Subscription Edition: January 11, 2022 (KB5002111)

Description of the security update for SharePoint Server Subscription Edition: January 11, 2022 KB5002111 Summary This security update resolves a Microsoft SharePoint Server remote code execution vulnerability and Microsoft Office remote code execution vulnerability. To learn more about the...

Description of the security update for SharePoint Enterprise Server 2013: January 11, 2022 (KB5002102)

Description of the security update for SharePoint Enterprise Server 2013: January 11, 2022 KB5002102 Summary This security update resolves a Microsoft Office remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures...

Description of the security update for Office Web Apps Server 2013: January 11, 2022 (KB5002122)

Description of the security update for Office Web Apps Server 2013: January 11, 2022 KB5002122 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-2022-21840...

January 11, 2022—KB5009566 (OS Build 22000.434)

January 11, 2022—KB5009566 OS Build 22000.434 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 original release, see its update history page.Note Follow @WindowsUpdate to find o...

October 12, 2021—KB5006715 (Security-only update)

October 12, 2021—KB5006715 Security-only update Summary Learn more about this security update, including improvements and fixes, any known issues, and how to get the update. Important: Windows Server 2008 Service Pack 2 SP2 has reached the end of mainstream support and are now in extended support...

Description of the security update for Office 2016: June 8, 2021 (KB5001950)

Description of the security update for Office 2016: June 8, 2021 KB5001950 Summary This security update resolves Microsoft Office graphics remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2021-31940 and Microsoft...