KB4586781 Update for Windows 10 20H2 19042.630 and Windows 10 2004 19041.630
KB4586781 Update for Windows 10 20H2 19042.630 and Windows 10 2004 19041.630

Today another new update KB4586781 for Windows 10 20H2 and Windows 10 2004 has Surfaced. Up to this moment its not known what the changes are in this new build number.

However, if you like to install this update anyway, you can download the files here. There is also a new SSU file to go along with this new update.

Improvements and fixes:

Windows 10, version 20H2

This security update includes quality improvements. Key changes include:

  • This build includes all the improvements from Windows 10, version 2004.
  • No additional issues were documented for this release.

Windows 10, version 2004

Note This release also contains updates for Microsoft HoloLens (OS Build 19041.1128) released November 10, 2020. 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:

  • Updates the 2020 DST start date for the Fiji Islands to December 20, 2020.
  • Security updates to the Microsoft Scripting Engine, Windows Input and Composition, Microsoft Graphics Component, the Windows Wallet Service, Windows Fundamentals, and the Windows Kernel.

For more information about the resolved security vulnerabilities, please refer to the new Security Update Guide website.

Direct Download:
Install SSU file first!
KB4586864 SSU x86
KB4586864 SSU x64

Cumulative update:
KB4586781 x86
KB4586781 x64

KB4586781 Update Catalog