May 12, 2026-KB5087061 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10, version 1809 and Windows Server 2019

May 12, 2026-KB5087061 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10, version 1809 and Windows Server 2019 Applies To .NET Note Release Date: May 12, 2026 Version: .NET Framework 3.5 and 4.7.2 The May 12, 2026 update for Windows 10, version 1809 and Windows Server 2019 include...

MS09-046: Vulnerability in the DHTML Editing Component ActiveX control could allow remote code execution

MS09-046: Vulnerability in the DHTML Editing Component ActiveX control could allow remote code execution Applies To Microsoft Windows Server 2003 Service Pack 2 Microsoft Windows XP Professional x64 Edition Microsoft Windows XP Service Pack 2 Microsoft Windows XP Home Edition Microsoft Windows XP...

Servicing stack update for Windows 10, version 1809: April 14, 2020

Servicing stack update for Windows 10, version 1809: April 14, 2020 Applies To Windows 10, version 1809, all editions Applies to Windows 10 Version 1809 for 32-bit Systems Windows 10 Version 1809 for ARM64-based Systems Windows 10 Version 1809 for x64-based Systems Windows Server 2019 Windows...

Servicing stack update for Windows 10, version 1803: November 12, 2019

Servicing stack update for Windows 10, version 1803: November 12, 2019 Applies To Windows 10, version 1803, all editions 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...

July 11, 2017—KB4025336 (Monthly Rollup)

July 11, 2017—KB4025336 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 KB4022720 released June 27, 2017 and resolves the following issues: Addressed issue called out in KB4022720...

February 10, 2026—KB5075941 (OS Build 22631.6649)

February 10, 2026—KB5075941 OS Build 22631.6649 Applies To Windows 11 version 23H2, all editions 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...

KB5040948 - Description of the security update for SQL Server 2019 CU27: July 9, 2024

KB5040948 - Description of the security update for SQL Server 2019 CU27: July 9, 2024 Applies To SQL Server 2019 on Windows 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...

September 13, 2022—KB5017377 (Security-only update)

September 13, 2022—KB5017377 Security-only update Applies To Windows Server 2012 Windows Embedded 8 Standard Summary Learn more about this security-only update, including improvements, any known issues, and how to get the update. Note IMPORTANT Windows Server 2012 has reached the end of mainstrea...

KB5017220: Update for the Extended Security Updates Licensing Preparation Package for Windows Server 2012 R2

KB5017220: Update for the Extended Security Updates Licensing Preparation Package for Windows Server 2012 R2 Introduction This update provides an additional set of licensing changes to enable installation of the ESU add-on key. This is one of the steps to prepare for installation of Extended...

May 11, 2021—KB5003197 (OS Build 14393.4402) - EXPIRED

May 11, 2021—KB5003197 OS Build 14393.4402 - EXPIRED Applies To Windows 10, version 1607, all editions Windows Server 2016, all editions EXPIRATION NOTICE As of 9/12/2023, KB5003197 is no longer available from Windows Update, the Microsoft Update Catalog, or other release channels. We recommend...

February 11, 2020—KB4537813 (Security-only update)

February 11, 2020—KB4537813 Security-only update Applies To Windows 7 Service Pack 1 Windows Server 2008 R2 Service Pack 1 Windows Embedded Standard 7 Service Pack 1 Windows Embedded POSReady 7 Windows Thin PC Note IMPORTANT Verify that you have installed the required updates listed in the How to...

MS09-043: Vulnerabilities in Microsoft Office Web Components could allow remote code execution

Resolves vulnerabilities in Office Web Components that could allow remote code execution if a user viewed a specially crafted Web page.INTRODUCTIONMicrosoft has released security bulletin MS09-043. To view the complete security bulletin, visit one of the following Microsoft Web sites:Home...

September 14, 2026—KB5129235 (OS Build 26100.33451) Out-of-band

September 14, 2026—KB5129235 OS Build 26100.33451 Out-of-band Applies To Windows Server 2025, all editions This out-of-band OOB update for Windows Server 2025 KB5129235 is a non-security cumulative update. Improvements This out-of-band update contains quality improvements from KB5122871 released...

January 10, 2023—KB5022348 (Monthly Rollup)

January 10, 2023—KB5022348 Monthly Rollup Applies To Windows Server 2012 Windows Embedded 8 Standard Summary Learn more about this cumulative security update, including improvements, any known issues, and how to get the update. Note REMINDERWindows Server 2012 has reached the end of mainstream...

Description of the security update for Microsoft Exchange Server 2019 and 2016: August 9, 2022 (KB5015322)

Description of the security update for Microsoft Exchange Server 2019 and 2016: August 9, 2022 KB5015322 Applies To Exchange Server 2019 Exchange Server 2016 This security update rollup resolves vulnerabilities in Microsoft Exchange Server. To learn more about these vulnerabilities, see the...

Servicing stack update for Windows 10, version 1607: June 9, 2020

Servicing stack update for Windows 10, version 1607: June 9, 2020 Applies To Windows 10, version 1607, all editions Applies to Windows 10 Version 1607 for 32-bit Systems Windows 10 Version 1607 for x64-based Systems Windows Server 2016 Windows Server 2016 Server Core installation Summary This...

Description of the security update for Office 2010: January 14, 2020

Description of the security update for Office 2010: January 14, 2020 Summary This security update resolves a remote code execution vulnerability that exists in Microsoft Office software if the software does not correctly handle objects in memory. To learn more about the vulnerability, see Microso...

October 3, 2019—KB4524149 (OS Build 17134.1040)

October 3, 2019—KB4524149 OS Build 17134.1040 Applies To Windows 10, version 1803, all editions Note IMPORTANT This is a required security update that expands the out-of-band update dated September 23, 2019. This security update includes the Internet Explorer scripting engine security vulnerabili...

Description of the security update for SharePoint Enterprise Server 2016: June 11, 2019

Description of the security update for SharePoint Enterprise Server 2016: June 11, 2019 Applies To SharePoint Server 2016 Summary This security update resolves a cross-site-scripting XSS vulnerability that exists when Microsoft SharePoint Server does not correctly sanitize a specially crafted web...

March 14, 2017—KB4013429 (OS Build 14393.953)

March 14, 2017—KB4013429 OS Build 14393.953 Applies To Windows 10, version 1607, all editions Windows Server 2016, all editions Improvements and fixes This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include: Addressed...

December 10, 2024—KB5048652 (OS Builds 19044.5247 and 19045.5247) - EXPIRED

December 10, 2024—KB5048652 OS Builds 19044.5247 and 19045.5247 - EXPIRED Applies To Windows 10 Enterprise LTSC 2021 Windows 10 IoT Enterprise LTSC 2021 Windows 10, version 22H2, all editions EXPIRATION NOTICE IMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft...

April 9, 2024-KB5037033 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows Server 2022

April 9, 2024-KB5037033 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows Server 2022 Applies To .NET Note Release Date: April 9, 2024 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...

November 14, 2023—KB5032190 (OS Builds 22621.2715 and 22631.2715)

November 14, 2023—KB5032190 OS Builds 22621.2715 and 22631.2715 Applies To Windows 11 version 22H2, all editions Windows 11 version 23H2, all editions Note UPDATED 2/27/24 IMPORTANT: New dates for the end of non-security updates for Windows 11, version 22H2 The new end date is June 24, 2025 for...

May 10, 2022—KB5014001 (Security-only update)

May 10, 2022—KB5014001 Security-only update Applies To Windows 8.1 Windows RT 8.1 Windows Server 2012 R2 Windows Embedded 8.1 Industry Enterprise Windows Embedded 8.1 Industry Pro Summary Learn more about this security update, including improvements, any known issues, and how to get the update...

June 8, 2021—KB5003646 (OS Build 17763.1999)

June 8, 2021—KB5003646 OS Build 17763.1999 Applies To Win 10 Ent LTSC 2019 Win 10 IoT Ent LTSC 2019 Windows 10 IoT Core LTSC Windows Server 2019 Note 5/11/21 REMINDER Windows 10, version 1809 reached end of service on May 11, 2021 for devices running the Enterprise, Education, and IoT Enterprise...

July 14, 2020-KB4565627 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 2004

July 14, 2020-KB4565627 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 2004 Applies To .NET Note Release Date: July 14, 2020 Version: .NET Framework 3.5 and 4.8 Summary A remote code execution vulnerability exists in .NET Framework when the software fails to check the...

March 10, 2020—KB4540673 (OS Builds 18362.719 and 18363.719) - EXPIRED

March 10, 2020—KB4540673 OS Builds 18362.719 and 18363.719 - EXPIRED Applies To Windows 10, version 1903, all editions Windows Server version 1903 Windows 10, version 1909, all editions Windows Server version 1909 Note NEW 8/5/21 EXPIRATION NOTICE IMPORTANT As of 8/5/2021, this KB is no longer...

April 9, 2019—KB4493446 (Monthly Rollup)

April 9, 2019—KB4493446 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 KB4489893 released March 19, 2019 and addresses the following issues: Provides protections against Spectre...

Description of the security update for Office 2013: January 8, 2019

Description of the security update for Office 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, see Microsoft Common...

March 10, 2026—Hotpatch KB5078737 (OS Build 20348.4830)

March 10, 2026—Hotpatch KB5078737 OS Build 20348.4830 Applies To Windows Server 2022 Datacenter: Azure Edition This Hotpatch update for Windows Server 2022 KB5078737, improves functionality, performance, and reliability. To learn more about differences between security updates, optional...

KB5046859 - Description of the security update for SQL Server 2019 GDR: November 12, 2024

KB5046859 - Description of the security update for SQL Server 2019 GDR: November 12, 2024 Applies To SQL Server 2019 on Windows Summary Improvements and fixes included in this update How to obtain and install the update More information File information Information about protection and security...

September 12, 2023-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 (KB5030184)

September 12, 2023-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 KB5030184 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...

November 10, 2020—KB4586823 (Security-only update)

November 10, 2020—KB4586823 Security-only update Applies To Windows 8.1 Windows Server 2012 R2 Windows Embedded 8.1 Industry Enterprise Windows Embedded 8.1 Industry Pro Note IMPORTANT Windows 8.1 and Windows Server 2012 R2 have reached the end of mainstream support and are now in extended suppor...

Description of the security update for Outlook 2016: August 11, 2020

Description of the security update for Outlook 2016: August 11, 2020 Applies To Outlook 2016 Summary This security update resolves a remote code execution vulnerability that exists in Microsoft Outlook when the software does not correctly handle objects in memory. It also resolves an information...

April 14, 2020—KB4549949 (OS Build 17763.1158)

April 14, 2020—KB4549949 OS Build 17763.1158 Applies To Windows 10, version 1809, all editions Windows Server version 1809 Windows Server 2019, all editions Note NEW IMPORTANT We have been evaluating the public health situation and understand the impact this is having on many of our customers. To...

July 9, 2019—KB4507453 (OS Build 18362.239)

July 9, 2019—KB4507453 OS Build 18362.239 Applies To Windows 10, version 1903, all editions Windows Server version 1903 Note Note Follow @WindowsUpdate to find out when new content is published to the release information dashboard. Note Note This release also contains updates for Microsoft HoloLe...

KB4494351 - Description of the security update for SQL Server 2017 GDR: May 14, 2019

KB4494351 - Description of the security update for SQL Server 2017 GDR: May 14, 2019 Summary An information disclosure vulnerability exists in Microsoft SQL Server Analysis Services if it incorrectly enforces metadata permissions. An attacker could exploit the vulnerability if the attacker's...

KB5077469 - Description of the security update for SQL Server 2019 CU32: March 10, 2026

KB5077469 - Description of the security update for SQL Server 2019 CU32: March 10, 2026 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 update...

December 12, 2023—KB5033372 (OS Builds 19044.3803 and 19045.3803) - EXPIRED

December 12, 2023—KB5033372 OS Builds 19044.3803 and 19045.3803 - EXPIRED Applies To Windows 10 Enterprise and Education, version 21H2 Windows 10 IoT Enterprise, version 21H2 Windows 10 Enterprise Multi-Session, version 21H2 Windows 10, version 22H2, all editions EXPIRATION NOTICE IMPORTANT As of...

Description of the security update for SharePoint Enterprise Server 2016: May 14, 2019

Description of the security update for SharePoint Enterprise Server 2016: May 14, 2019 Applies To SharePoint Server 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...

Description of the security update for SharePoint Enterprise Server 2016: April 9, 2019

Description of the security update for SharePoint Enterprise Server 2016: April 9, 2019 Applies To SharePoint Server 2016 Summary This security update resolves a cross-site-scripting XSS vulnerability that exists when Microsoft SharePoint Server does not correctly sanitize a specially crafted web...

March 14, 2017—KB4013198 (OS Build 10586.839)

March 14, 2017—KB4013198 OS Build 10586.839 Applies To Windows 10, version 1511, all editions Improvements and fixes This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include: Addressed a known issue with KB3192441 that wa...

MS12-043: Vulnerability in Microsoft XML Core Services could allow remote code execution: August 14, 2012

Resolves a security vulnerability in Microsoft XML Core Services that could allow arbitrary code to run when you view a specially crafted webpage by using Windows Internet Explorer.View products that this article applies to.Microsoft has rereleased security bulletin MS12-043. This security bullet...

January 14, 2025—KB5050009 (OS Build 26100.2894) for Windows

January 14, 2025—KB5050009 OS Build 26100.2894 for Windows Applies To Windows 11 version 24H2, all editions 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 11, version 24H2,...

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...

April 14, 2020—KB4550927 (OS Build 16299.1806)

April 14, 2020—KB4550927 OS Build 16299.1806 Applies To Windows 10, version 1709, all editions Windows 10, version 1709 Enterprise, Education, IoT Enterprise Note IMPORTANT We have been evaluating the public health situation, and we understand the impact this is having on you, our valued customer...

April 9, 2019—KB4493472 (Monthly Rollup)

April 9, 2019—KB4493472 Monthly Rollup Applies To Windows 7 Service Pack 1 Windows Server 2008 R2 Service Pack 1 Note Starting with KB 4493472 Monthly Rollup updates will no longer include PciClearStaleCache.exe. This installation utility addressees inconsistencies in the internal PCI cache. This...

November 13, 2018—KB4467691 (OS Build 14393.2608) - EXPIRED

November 13, 2018—KB4467691 OS Build 14393.2608 - 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...

MS16-133: Security Update for Microsoft Office: November 8, 2016

Describes a security update that fixes vulnerabilities in Microsoft Office. The most severe of these vulnerabilities could allow remote code execution if a user opens a specially crafted Microsoft Office file.SummaryThis security update resolves a vulnerability in Microsoft Office. To learn more...

February 11, 2025—KB5051974 (OS Builds 19044.5487 and 19045.5487) - EXPIRED

February 11, 2025—KB5051974 OS Builds 19044.5487 and 19045.5487 - EXPIRED Applies To Windows 10 Enterprise LTSC 2021 Windows 10 IoT Enterprise LTSC 2021 Windows 10, version 22H2, all editions EXPIRATION NOTICE IMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft...