KB4586781 Is Out for Windows 10 Versions 20H2 and 2004

This calendar month's Patch Tuesday Windows 10 cumulative update is now available for devices running Windows ten Oct 2020 Update and the May 2020 Update. KB4586781 (Builds 19041.630 and 19042.630) brings security and quality improvements to the ii feature updates of this year.

Updates the 2020 DST start engagement for the Fiji Islands to December 20, 2020.

Security updates to the Microsoft Scripting Engine, Windows Input and Limerick, Microsoft Graphics Component, the Windows Wallet Service, Windows Fundamentals, and the Windows Kernel.

Windows 10 cumulative update KB4586781 is available via Windows Update Update, Microsoft Update Catalog, and Windows Server Update Services (WSUS).

Windows ten KB4586781 carries the following known bug that were before confirmed by the Windows maker:

Symptom	Workaround
Users of the Microsoft Input Method Editor (IME) for Japanese or Chinese languages might feel issues when attempting various tasks. You might have issues with input, receive unexpected results, or might non be able to enter text.	For more information about the issues, workaround steps, and the currently resolved issues, please run across KB4564002
Organisation and user certificates might be lost when updating a device from Windows ten, version 1809 or later to a later on version of Windows ten. Devices will only exist impacted if they have already installed any Latest cumulative update (LCU) released September 16, 2020 or later and and so proceed to update to a later version of Windows 10 from media or an installation source which does not accept an LCU released October thirteen, 2020 or later integrated. This primarily happens when managed devices are updated using outdated bundles or media through an update management tool such as Windows Server Update Services (WSUS) or Microsoft Endpoint Configuration Manager. This might also happen when using outdated concrete media or ISO images that do non have the latest updates integrated. Note Devices using Windows Update for Business concern or that connect directly to Windows Update are not impacted. Any device connecting to Windows Update should always receive the latest versions of the feature update, including the latest LCU, without whatever actress steps.	If yous have already encountered this issue on your device, you lot can mitigate it inside the uninstall window past going back to your previous version of Windows using the instructions hither. The uninstall window might be 10 or 30 days depending on the configuration of your environment and the version you're updating to. You volition then demand to update to the subsequently version of Windows 10 afterwards the effect is resolved in your environment. Note Within the uninstall window, you can increment the number of days y'all accept to go back to your previous version of Windows 10 by using the DISM command /Prepare-OSUninstallWindow. You must make this change before the default uninstall window has lapsed. For more data, see DISM operating system uninstall command-line options.