KB5088064: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: May 12, 2026

KB5088064: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: May 12, 2026 Applies To Win 10 Ent LTSB 2016 Win 10 IoT Ent LTSB 2016 Windows Server 2016, all editions Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devic...

KB5070247: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: November 11, 2025

KB5070247: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: November 11, 2025 Applies To Win 10 Ent LTSB 2016 Windows Server 2016, all editions Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started...

KB5065767: Servicing stack update for Windows Server 2012 R2: September 9, 2025

KB5065767: Servicing stack update for Windows Server 2012 R2: September 9, 2025 Applies To Windows Server 2012 R2 ESU Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of...

September 14, 2021—KB5005565 (OS Builds 19041.1237, 19042.1237, and 19043.1237)

September 14, 2021—KB5005565 OS Builds 19041.1237, 19042.1237, and 19043.1237 Applies To Windows 10, version 2004, all editions Windows Server version 2004 Windows 10, version 20H2, all editions Windows Server, version 20H2, all editions Windows 10, version 21H1, all editions Note EXPIRATION NOTI...

August 10, 2021—KB5005033 (OS Builds 19041.1165, 19042.1165, and 19043.1165)

August 10, 2021—KB5005033 OS Builds 19041.1165, 19042.1165, and 19043.1165 Applies To Windows 10, version 2004, all editions Windows Server version 2004 Windows 10, version 20H2, all editions Windows Server, version 20H2, all editions Windows 10, version 21H1, all editions Note EXPIRATION NOTICE...

February 9, 2021—KB4601330 (OS Build 15063.2642)

February 9, 2021—KB4601330 OS Build 15063.2642 Applies To Windows 10, version 1703, all editions Note Current status of Windows 10, version 1703 Surface Hub devices remain in support. Starting on November 12, 2019, updates for Windows 10, version 1703 will be available only for Surface Hub device...

November 19, 2020—KB4594441 (OS Build 14393.4048) Out-of-band

November 19, 2020—KB4594441 OS Build 14393.4048 Out-of-band Applies To Windows 10, version 1607, all editions Windows Server 2016, all editions Note UPDATED 11/19/20 For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update...

March 10, 2020—KB4538461 (OS Build 17763.1098)

March 10, 2020—KB4538461 OS Build 17763.1098 Applies To Windows 10, version 1809, all editions Windows Server version 1809 Windows Server 2019, all editions Note Note This release also contains updates for Microsoft HoloLens OS Build 17763.1098 released March 10, 2020. Microsoft will release an...

November 12, 2019—KB4523205 (OS Build 17763.864)

November 12, 2019—KB4523205 OS Build 17763.864 Applies To Windows 10, version 1809, all editions Windows Server version 1809 Windows Server 2019, all editions Note Note This release also contains updates for Microsoft HoloLens OS Build 17763.865 released November 12, 2019. Microsoft will release ...

September 23, 2019—KB4522009 (OS Build 10240.18334)

September 23, 2019—KB4522009 OS Build 10240.18334 Applies To Windows 10 Note 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...

June 26, 2019—KB4509479 (OS Build 17763.593)

June 26, 2019—KB4509479 OS Build 17763.593 Applies To Windows 10, version 1809, all editions Windows Server version 1809 Windows Server 2019, all editions Note Note Follow @WindowsUpdate to find out when new content is published to the release information dashboard. Note Starting with update...

June 11, 2019—KB4503293 (OS Build 18362.175)

June 11, 2019—KB4503293 OS Build 18362.175 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 This release also contains updates for Microsoft HoloLens O...

June 11, 2019—KB4503327 (OS Build 17763.557)

June 11, 2019—KB4503327 OS Build 17763.557 Applies To Windows 10, version 1809, all editions Windows Server 2019, all editions Note Note Follow @WindowsUpdate to find out when new content is published to the release information dashboard. Note Starting with update KB4497934, we are introducing...

May 19, 2019—KB4505056 (OS Build 17763.504)

May 19, 2019—KB4505056 OS Build 17763.504 Applies To Windows 10, version 1809, all editions Windows Server 2019, all editions Improvements and fixes This update includes quality improvements. Key changes include: Addresses an issue that may prevent access to some gov.uk websites that don’t suppor...

May 19, 2019—KB4505051 (OS Build 10240.18218)

May 19, 2019—KB4505051 OS Build 10240.18218 Applies To Windows 10 Improvements and fixes This update includes quality improvements. Key changes include: Addresses an issue that may prevent access to some gov.uk websites that don’t support HTTP Strict Transport Security HSTS when using Internet...

May 2, 2019—KB4502112 (OS Build 15063.1785)

May 2, 2019—KB4502112 OS Build 15063.1785 Applies To Windows 10, version 1703, all editions Note Reminder: March 12th and April 9th will be the last two Delta updates for Windows 10, version 1703. Security and quality updates will continue to be available via the express and full cumulative updat...

February 12, 2019—KB4487044 (OS Build 17763.316)

February 12, 2019—KB4487044 OS Build 17763.316 Applies To Windows 10, version 1809, all editions Windows Server 2019, all editions Note This release also contains updates for Microsoft HoloLens OS Build 17763.316 released February 12, 2019. Microsoft will release an update directly to the Windows...

May 8, 2018—KB4103723 (OS Build 14393.2248) - EXPIRED

May 8, 2018—KB4103723 OS Build 14393.2248 - 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 recommend th...

March 13, 2018—KB4088787 (OS Build 14393.2125 and 14393.2126)

March 13, 2018—KB4088787 OS Build 14393.2125 and 14393.2126 Applies To Windows 10, version 1607, all editions Windows Server 2016, all editions Note The release also contains updates for Windows 10 Mobile OS Build 14393.2126 released on March 20, 2018. Improvements and fixes This update includes...

March 22, 2018—KB4088891 (OS Build 15063.994)

March 22, 2018—KB4088891 OS Build 15063.994 Applies To Windows 10, version 1703, all editions Improvements and fixes This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include: Addresses issue with a GDI handle leak in the...