November 10, 2020—KB4586785 (OS Build 17134.1845) - EXPIRED

November 10, 2020—KB4586785 OS Build 17134.1845 - EXPIRED NEW 8/5/21 EXPIRATION NOTICEIMPORTANT As of 8/5/2021, this KB is no longer available from Windows Update, the Microsoft Update Catalog, or other release channels. We recommend that you update your devices to the latest security quality...

June 9, 2020—KB4561649 (OS Build 10240.18608)

June 9, 2020—KB4561649 OS Build 10240.18608 For more information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following article. Highlights Updates to improve security when using Internet Explorer. Updates to improve...

June 9, 2020—KB4561621 (OS Build 17134.1550)

June 9, 2020—KB4561621 OS Build 17134.1550 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...

May 12, 2020—KB4556846 (Monthly Rollup)

May 12, 2020—KB4556846 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...

December 10, 2019—KB4530698 (Security-only update)

December 10, 2019—KB4530698 Security-only update Improvements and fixes This security update includes quality improvements. Key changes include: Security updates to Windows Input and Composition, Windows Virtualization, Windows Kernel, Windows Peripherals, and Windows Server. For more information...

September 10, 2019—KB4516033 (Security-only update)

September 10, 2019—KB4516033 Security-only update 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 security update includes quality improvements. Key changes include: Provides...

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

September 10, 2019—KB4516051 Security-only update 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 as Microarchitectural Data Sampling , for 32-B...

June 11, 2019—KB4503293 (OS Build 18362.175)

June 11, 2019—KB4503293 OS Build 18362.175 Note Follow @WindowsUpdate to find out when new content is published to the release information dashboard. Notes: This release also contains updates for Microsoft HoloLens OS Build 18362.1020 released June 11, 2019. Microsoft will release an update...

April 9, 2019—KB4493458 (Security-only update)

April 9, 2019—KB4493458 Security-only update Improvements and fixes This security update includes quality improvements. Key changes include: Addresses an issue in which netdom.exe fails to run, and the error, “The command failed to complete successfully” appears. Addresses an issue that may cause...

February 12, 2019—KB4487023 (Monthly Rollup)

February 12, 2019—KB4487023 Monthly Rollup Improvements and fixes This security update includes improvements and fixes that were a part of update KB4480974 released January 17, 2019 and addresses the following issues: Addresses an issue that may prevent applications that use a Microsoft Jet...

February 12, 2019—KB4486564 (Security-only update)

February 12, 2019—KB4486564 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...

February 12, 2019—KB4486563 (Monthly Rollup)

February 12, 2019—KB4486563 Monthly Rollup Improvements and fixes This security update includes improvements and fixes that were a part of update KB4480955 released January 17, 2019 and addresses the following issues: Addresses an issue that may prevent applications that use a Microsoft Jet...