Microsoft has now made new update KB4524570 with Builds 18363.476 & 18362.476 available for Windows 10 Version 1909 and 1903. You can check for updates in Windows update or download the offline installers to do manual installation.

As expected these updates bring only fixes and improvements for Version 1903 while for Windows 10 Version 1909 this is the first public release build.

Improvements and fixes:

Windows 10, version 1909:

This security update includes quality improvements. Key changes include:

  • This build includes all the improvements from Windows 10, version 1903.
  • No additional issues were documented for this release.

Windows 10, version 1903:

Note: This release also contains updates for Microsoft HoloLens (OS Build 18362.1039) released November 12, 2019. Microsoft will release an update directly to the Windows Update Client to improve Windows Update reliability on Microsoft HoloLens that have not updated to this most recent OS Build.

This security update includes quality improvements. Key changes include:

  • Addresses an issue in the Keyboard Lockdown Subsystem that might not filter key input correctly.

  • Provides protections against the Intel® Processor Machine Check Error vulnerability (CVE-2018-12207). Use the registry setting as described in the Guidance KB article. (This registry setting is disabled by default.)

  • Provides protections against the Intel® Transactional Synchronization Extensions (Intel® TSX) Transaction Asynchronous Abort vulnerability (CVE-2019-11135). Use the registry settings as described in the Windows Client and Windows Server articles. (These registry settings are enabled by default for Windows Client OS editions and Windows Server OS editions.)

  • Security updates to Microsoft Scripting Engine, Internet Explorer, Windows App Platform and Frameworks, Microsoft Edge, Windows Fundamentals, Windows Cryptography, Windows Virtualization, Windows Linux, Windows Kernel, Windows Datacenter Networking, and the Microsoft JET Database Engine.

Download link:

You can manually download this update by clicking here. If you need help in understanding how to install these updates manually on your PC, you can refer to our step by step noob-friendly tutorial here.