Security News > 2020 > November > Windows 10 Cumulative Updates KB4586786 & KB4586781 Released

It's November 10 and Patch Tuesday, and the first batch of security updates or 'B' updates are now available for all supported versions of Windows 10 including version 20H2. If you want to grab these updates, check for updates in the Settings and the update will begin installing.
Below is the list of all new updates for Windows 10.
System and user certificates might be lost when updating a device from Windows 10, version 1809 or later to a later version of Windows 10.
Devices will only be impacted if they have already installed any Latest cumulative update released September 16, 2020 or later and then proceed to update to a later version of Windows 10 from media or an installation source which does not have an LCU released October 13, 2020 or later integrated.
Note Devices using Windows Update for Business or that connect directly to Windows Update are not impacted.
News URL
Related news
- Windows 10 KB5049981 update released with new BYOVD blocklist (source)
- Microsoft ends support for Office apps on Windows 10 in October (source)
- Windows 11 24H2 now also offered to all eligible Windows 10 PCs (source)
- January Windows 10 preview update force installs new Outlook (source)
- Windows 10 KB5051974 update force installs new Microsoft Outlook app (source)
- Windows 10 KB5052077 update fixes broken SSH connections (source)