February 10, 2026—KB5075904 (OS Build 17763.8389)

February 10, 2026—KB5075904 OS Build 17763.8389 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...

June 11, 2024—KB5039274 (Security-only update)

June 11, 2024—KB5039274 Security-only update End of support information As of January 10, 2023, Microsoft no longer provides security updates or technical support for Windows 7 Service Pack 1 SP1. We recommend that you upgrade to a supported version of Windows. For more information, see Update th...

November 14, 2023-KB5032007 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2 and Windows 11, version 23H2

November 14, 2023-KB5032007 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2 and Windows 11, version 23H2 Revised July 7, 2025: Updated 'How to get this update' section. Revised 11/15/23: to remove CVE details which were not affected by the .NET Framework November...

June 14, 2022—Hotpatch KB5014677 (OS Build 20348.770)

None None...

April 12, 2022-KB5012123 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2

April 12, 2022-KB5012123 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 Release Date: April 12, 2022 Version: .NET Framework 3.5 and 4.8 Summary Security Improvements This security update addresses an issue where an unauthenticated attacker cou...

December 8, 2020—KB4592438 (OS Builds 19041.685 and 19042.685)

December 8, 2020—KB4592438 OS Builds 19041.685 and 19042.685 NEW 12/8/20 IMPORTANT Adobe Flash Player will go out of support on December 31, 2020. For more information, see Adobe Flash end of support on December 31, 2020. Flash content will be blocked from running in Flash Player beginning Januar...

April 14, 2020—KB4550951 (Monthly Rollup)

April 14, 2020—KB4550951 Monthly Rollup IMPORTANT Verify that you have installed the required updates listed in the How to get this update section before installing this update. IMPORTANT WSUS scan cab files will continue to be available for Windows Server 2008 SP2. If you have a subset of device...

March 10, 2020—KB4541510 (Monthly Rollup)

March 10, 2020—KB4541510 Monthly Rollup NEW As of February 11, 2020, Internet Explorer 10 is no longer in support. To get Internet Explorer 11 for Windows Server 2012 or Windows 8 Embedded Standard, see KB4492872. Install one of the following applicable updates to stay updated with the latest...

MS16-039: Description of the security update for Windows Graphics Component: April 12, 2016

MS16-039: Description of the security update for Windows Graphics Component: April 12, 2016 Summary This security update resolves vulnerabilities in Microsoft Windows, Microsoft .NET Framework, Microsoft Office, Skype for Business, and Microsoft Lync. The most severe of the vulnerabilities could...

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. --...

Description of the security update for Office Online Server: May 14, 2024 (KB5002503)

Description of the security update for Office Online Server: May 14, 2024 KB5002503 Summary This security update resolves a Microsoft Excel remote code execution vulnerability. To learn more about the vulnerability, see the following security advisory:​​​​ Microsoft Excel Remote Code Execution...

February 14, 2023—KB5022836 (OS Build 22000.1574)

February 14, 2023—KB5022836 OS Build 22000.1574 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 21H2, see its update history page.Note Follow @WindowsUpdate to find ou...

Description of the security update for Office 2016: January 11, 2022 (KB5002115)

Description of the security update for Office 2016: January 11, 2022 KB5002115 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. Note: To apply thi...

July 6, 2021—KB5004946 (OS Build 18363.1646) Out-of-band

July 6, 2021—KB5004946 OS Build 18363.1646 Out-of-band EXPIRATION NOTICE As of 9/12/2023, KB5004946 is only available from Windows Update. 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...

KB5001403: Servicing stack update for Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2: April 13, 2021

KB5001403: Servicing stack update for Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2: April 13, 2021 This update applies to the following: Windows 8.1 for 32-bit systems Windows 8.1 for x64-based systems Windows RT 8.1 Windows Server 2012 R2 Windows Server 2012 R2 Server Core installatio...

Description of the security update for Office 2013: July 9, 2019

Description of the security update for Office 2013: July 9, 2019 Summary This security update resolves an information disclosure vulnerability that exists if Microsoft Exchange allows entities to be created even though they have Display Names that contain non-printable characters.. To learn more...

February 12, 2019—KB4487028 (Security-only update)

February 12, 2019—KB4487028 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: Addresses an issue that may prevent applications that use a Microsoft Jet database...

MS16-135: Security update for Windows kernel-mode drivers: November 8, 2016

Resolves a vulnerability in Windows that could allow elevation of privilege if an attacker logs on to an affected system and runs a specially crafted application that could exploit the vulnerabilities and take control of the system.SummaryThis security update resolves vulnerabilities in Microsoft...

December 13, 2022-KB5021087 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H1

December 13, 2022-KB5021087 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H1 Release Date: December 13, 2022 Version: .NET Framework 3.5, 4.8 and 4.8.1 Note: Revised on Jun 20, 2023 to add resolution to known issue. Summary This article describes the Cumulative...

June 14, 2022—KB5014746 (Security-only update)

June 14, 2022—KB5014746 Security-only update Summary Learn more about this security-only update, including improvements, any known issues, and how to get the update. IMPORTANT On May 19, 2022, we released an out-of-band OOB update to address an issue that might cause machine certificate...

KB5014032: Servicing stack update for Windows 10, version 20H2, 21H1, and 21H2: May 10, 2022

KB5014032: Servicing stack update for Windows 10, version 20H2, 21H1, and 21H2: May 10, 2022 Summary This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates SSU makes sure that you have a robust and reliable...

April 12, 2022—KB5012604 (OS Build 20348.643)

April 12, 2022—KB5012604 OS Build 20348.643 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 find out when n...

Description of the security update for SharePoint Enterprise Server 2016: June 9, 2020

Description of the security update for SharePoint Enterprise Server 2016: June 9, 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 t...

Servicing stack update for Windows 10, Version 1809: July 22, 2019

Servicing stack update for Windows 10, Version 1809: July 22, 2019 Summary This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Key changes include: Addresses an issue in which an update may not install with certain other updates and...

Description of the security update for Excel 2010: July 9, 2019

Description of the security update for Excel 2010: July 9, 2019 Summary This security update resolves a remote code execution vulnerability that exists in Microsoft Excel if the software does not correctly handle objects in memory. To learn more about the vulnerability, see Microsoft Common...

Security and Quality Rollup updates for .NET Framework 2.0 SP2, 3.0 SP2, 4.5.2, and 4.6 for Windows Server 2008 SP2 (KB 4457921)

Security and Quality Rollup updates for .NET Framework 2.0 SP2, 3.0 SP2, 4.5.2, and 4.6 for Windows Server 2008 SP2 KB 4457921 Summary This security update resolves a vulnerability in Microsoft .NET Framework that could allow remote code execution when .NET Framework processes untrusted input. An...

Description of the security update for the ASP.NET security feature bypass vulnerability: July 10, 2018

None None...

Security and Quality Rollup for .NET Framework 3.5.1 for Windows 7 SP1 and Windows Server 2008 R2 SP1 (KB 4040980)

Security and Quality Rollup for .NET Framework 3.5.1 for Windows 7 SP1 and Windows Server 2008 R2 SP1 KB 4040980 Notice This update is included in the Security and Quality Rollup that's dated November 14, 2017. This update was previously released as part of the Preview of Quality Rollup on Octobe...

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

MS16-133: Description of the security update for Excel 2016: 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...

MS16-063: Cumulative security update for Internet Explorer: June 14, 2016

Resolves vulnerabilities in Internet Explorer that could allow remote code execution if a user views a specially crafted webpage using Internet Explorer.Summary This security update resolves several reported vulnerabilities in Internet Explorer. These vulnerabilities could allow remote code...

Update Rollup 26 for Exchange Server 2010 Service Pack 3

Update Rollup 26 for Exchange Server 2010 Service Pack 3 Summary This update rollup is a security update. This update provides a security advisory in Microsoft Exchange. See Security Advisory ADV190004 for more information. It also resolves some vulnerabilities, see Microsoft Common Vulnerabiliti...

Description of the security update for SharePoint Enterprise Server 2013: January 8, 2019

Description of the security update for SharePoint Enterprise Server 2013: January 8, 2019 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, se...

March 2017 Security Monthly Quality Rollup for Windows Server 2012

March 2017 Security Monthly Quality Rollup for Windows Server 2012 Summary This security update resolves the following vulnerabilities in Windows Server 2012: MS17-022 Security update for Microsoft XML Core Services MS17-019 Security update for Active Directory Federation Services MS17-018 Securi...

May 14, 2024—KB5037780 (Monthly Rollup)

May 14, 2024—KB5037780 Monthly Rollup End of support information As of January 10, 2023, Microsoft no longer provides security updates or technical support for Windows 7 Service Pack 1 SP1. We recommend that you upgrade to a supported version of Windows. For more information, see Update that...

Hotfix update for Exchange Server 2019 and 2016: April 23, 2024 (KB5037224)

Hotfix update for Exchange Server 2019 and 2016: April 23, 2024 KB5037224 Hotfix update for Microsoft Exchange Server 2019 and 2016 was released on April 23, 2024. It includes fixes for non-security issues and introduces new features. These fixes and features will also be included in later...

Security and Quality Rollup for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 8.1, RT 8.1, and Server 2012 R2 (KB4514604)

Security and Quality Rollup for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 8.1, RT 8.1, and Server 2012 R2 KB4514604 Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.5.2 Microsoft .NET Framework 4.6 Microsoft .NET Framework 4.6.1 Microsoft...

May 14, 2019—KB4499164 (Monthly Rollup)

May 14, 2019—KB4499164 Monthly Rollup Starting with KB4493472 Monthly Rollup updates will no longer include PciClearStaleCache.exe. This installation utility addressees inconsistencies in the internal PCI cache. This can cause the symptoms listed below when installing monthly updates that do NOT...

Description of the Security Only update for .NET Framework 4.5.2 for Windows Server 2012 (KB 4457029)

Description of the Security Only update for .NET Framework 4.5.2 for Windows Server 2012 KB 4457029 Summary This security update resolves a vulnerability in Microsoft .NET Framework that could allow remote code execution when .NET Framework processes untrusted input. An attacker who successfully...

April 10, 2018—KB4093119 (OS Build 14393.2189)

April 10, 2018—KB4093119 OS Build 14393.2189 Windows 10 version 1607 will reach end of service on April 10, 2018. Devices running Windows 10 Home or Pro editions will no longer receive monthly security and quality updates that contain protection from the latest security threats.To continue...

Description of the security update for the information disclosure vulnerability in Visual Studio 2013 Update 5: April 10, 2018

Description of the security update for the information disclosure vulnerability in Visual Studio 2013 Update 5: April 10, 2018 Notice Starting on March 10, 2020, Microsoft Update is now offering this security update to additional versions of the Windows OS. Summary An information disclosure...

Description of the security update for Office 2016: April 10, 2018

Description of the security update for Office 2016: April 10, 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 these vulnerabilities, see Microsoft Common...

Description of the security update for Office 2010: January 9, 2018

Description of the security update for Office 2010: 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...

March 2017 Security Only Quality Update for Windows 8.1 and Windows Server 2012 R2

March 2017 Security Only Quality Update for Windows 8.1 and Windows Server 2012 R2 Summary This security update resolves the following vulnerabilities in Windows 8.1 and Windows Server 2012 R2: MS17-022 Security update for Microsoft XML Core Services MS17-021 Security update for DirectShow MS17-0...

Security update 1970-01-01

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May 14, 2024—KB5037770 (OS Build 22000.2960)

May 14, 2024—KB5037770 OS Build 22000.2960 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 21H2, see its update history page. Note Follow @WindowsUpdate to find out wh...

April 9, 2024—KB5036967 (Monthly Rollup)

April 9, 2024—KB5036967 Monthly Rollup Reminder As of January 10, 2023, Microsoft no longer provides security updates or technical support for Windows 7 Service Pack 1 SP1. We recommend that you upgrade to a supported version of Windows. For more information, see Update that enables you to upgrad...

Description of the security update for Microsoft Exchange Server 2019 and 2016: November 14, 2023 (KB5032146)

Description of the security update for Microsoft Exchange Server 2019 and 2016: November 14, 2023 KB5032146 Notice For Microsoft Exchange Server 2016 installations, see also KB 5032147 for additional information about issues that are fixed in this security update. This security update rollup...

MS15-022: Description of the security update for Word 2013: March 10, 2015

Resolves vulnerabilities in Microsoft Office that could allow remote code execution when an Office file that is located in the same network directory as a specially crafted library file is opened.View products that this article applies to.IntroductionThis update resolves vulnerabilities in...

Time zone changes in Windows for São Tomé and Príncipe, and Qyzylorda

Time zone changes in Windows for São Tomé and Príncipe, and Qyzylorda Summary This article describes an update that makes time zone changes in Windows for São Tomé and Príncipe, and Qyzylorda, Kazakhstan. Before you install this update, see the Prerequisites section. This update applies to the...

November 13, 2018—KB4467697 (Monthly Rollup)

November 13, 2018—KB4467697 Monthly Rollup Improvements and fixes This security update includes improvements and fixes that were a part of update KB4462921 released October 18, 2018 and addresses the following issues: Addresses an issue that causes high CPU usage that results in performance...