September 2021 cumulative update: KB5005565/19043.1237 #KBAlert
September 2021 cumulative update is now available:
■ Updates security for your Windows operating system.
■ Addresses an issue that causes PowerShell to create an infinite number of child directories. This issue occurs when you use the PowerShell Move-Item command to move a directory to one of its children. As a result, the volume fills up and the system stops responding.