Affects Windows 10 versions released since 2018
https://www.bleepingcomputer.com/news/microsoft/microsoft-shares-workaround-for-windows-10-serioussam-vulnerability/
Microsoft has shared workarounds for a Windows 10 zero-day vulnerability dubbed SeriousSAM that can let attackers gain admin rights on vulnerable systems and execute arbitrary code with SYSTEM privileges.
As BleepingComputer previously reported, a local elevation of privilege bug (dubbed SeriousSAM) found in recently released Windows versions allows users with low privileges to access sensitive Registry database files.