June 13, 2023—KB5027230 (OS Build 10240.19983) - EXPIRED

June 13, 2023—KB5027230 OS Build 10240.19983 - EXPIRED EXPIRATION NOTICEIMPORTANT As of January 27, 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. --- 12/8/20 For...

April 11, 2023—KB5025272 (Security-only update)

April 11, 2023—KB5025272 Security-only update IMPORTANT For Windows Server 2012, the 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 wil...

April 11, 2023—KB5025234 (OS Build 10240.19869) - EXPIRED

April 11, 2023—KB5025234 OS Build 10240.19869 - EXPIRED EXPIRATION NOTICEIMPORTANT As of January 27, 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. --- 12/8/20 For...

March 14, 2023—Hotpatch KB5023786 (OS Build 20348.1602)

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KB5023791: Servicing stack update for Windows Server 2012: March 14, 2023

KB5023791: Servicing stack update for Windows Server 2012: March 14, 2023 IMPORTANT For Windows Server 2012, the 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...

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...

KB5016058: Servicing stack update for Windows 10, version 1607 and Server 2016: July 12, 2022

KB5016058: Servicing stack update for Windows 10, version 1607 and Server 2016: July 12, 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...

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...

March 22, 2022 Servicing stack update (KB5011575)

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March 8, 2022—Hotpatch KB5011580 (OS Build 20348.587)

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KB5011570: Servicing stack update for Windows 10, version 1607 and Server 2016: March 8, 2022

KB5011570: Servicing stack update for Windows 10, version 1607 and Server 2016: March 8, 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...

February 8, 2022—KB5010345 (OS Build 18363.2094)

February 8, 2022—KB5010345 OS Build 18363.2094 EXPIRATION NOTICE As of 9/12/2023, KB5010345 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 security...

August 10, 2021 Servicing Stack Update (KB5005410)

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July 13, 2021—KB5004285 (Security-only update)

July 13, 2021—KB5004285 Security-only update Important: This release includes the Flash Removal Package. Taking this update will remove Adobe Flash from the device. For more information, see the Update on Adobe Flash Player End of Support. Important: Windows 8.1 and Windows Server 2012 R2 have...

KB5003364: Servicing stack update for Windows 10, version 1803: May 11, 2021

KB5003364: Servicing stack update for Windows 10, version 1803: May 11, 2021 This update applies to the following: Windows 10, version 1803 for 32-bit systems Windows 10, version 1803 for ARM64-based systems Windows 10, version 1803 for x64-based systems Windows Server, version 1803 Server Core...

April 13, 2021—KB5001393 (Security-only update)

April 13, 2021—KB5001393 Security-only update Important: Windows 8.1 and Windows Server 2012 R2 have reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases known as "C" releases for this operating syste...

KB5003243: Servicing stack update for Windows 10, version 1809: May 11, 2021

KB5003243: Servicing stack update for Windows 10, version 1809: May 11, 2021 This update applies to the following: 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 Server 2019...

KB5001401: Servicing stack update for Windows Server 2012: April 13, 2021

KB5001401: Servicing stack update for Windows Server 2012: April 13, 2021 This update applies to the following: Windows Server 2012 for x86-based systems Windows Server 2012 for x64-based systems Windows Server 2012 Server Core installation Summary This update makes quality improvements to the...

September 8, 2020—KB4577048 (Security-only update)

September 8, 2020—KB4577048 Security-only update IMPORTANT Windows Server 2012 has reached the end of mainstream support and is now in extended support. Starting in July 2020, there will no longer be optional releases known as "C" or "D" releases for this operating system. Operating systems in...

September 8, 2020—KB4577071 (Security-only update)

September 8, 2020—KB4577071 Security-only update IMPORTANT Windows 8.1 and Windows Server 2012 R2 have reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases known as "C" releases for this operating...