January 17, 2026—KB5077795 (OS Build 17763.8280) Out-of-band

January 17, 2026—KB5077795 OS Build 17763.8280 Out-of-band 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 device...

October 24, 2019—KB4522355 (OS Build 18362.449)

October 24, 2019—KB4522355 OS Build 18362.449 Note Follow @WindowsUpdate to find out when new content is published to the release information dashboard. ePub support ended in Microsoft Edge Microsoft Edge has ended support for e-books that use the .epub file extension. For more information, see...

October 11, 2016 — KB3192440 (OS Build 10240.17146)

October 11, 2016 — KB3192440 OS Build 10240.17146 This update includes quality improvements and security fixes. No new operating system features are being introduced in this update. Key changes include: Improved reliability of Windows graphics device interface GDI. Addressed issue causing printer...

October 11, 2016 — KB3192441 (OS Build 10586.633)

October 11, 2016 — KB3192441 OS Build 10586.633 This update includes quality improvements and security fixes. No new operating system features are being introduced in this update. Key changes include: Improved reliability of Internet Explorer 11, kernel mode drivers, downloading apps from Microso...

March 22, 2018—KB4088882 (Preview of Monthly Rollup)

March 22, 2018—KB4088882 Preview of Monthly Rollup Improvements and fixes This non-security update includes improvements and fixes that were a part of KB4088876 released March 13, 2018 and also includes these new quality improvements as a preview of the next Monthly Rollup update: Addresses an...

Security update 1970-01-01

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