WINDOWS 10 KB4586781

KB4586781 applies to Windows 10 version 20H2. This brings the OS build to 19042.630.


  • 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.

Windows will reboot to complete the update.

Users of older versions of Windows should upgrade immediately. New certificates are being used which are not availale for signing components with obsolete versions.