CVE-2021-1675 - The Chaos PrintNightmare Emergency Update. #Microsoft Updates don't close all vulnerabilities. These range from the fact that the updates don't close the vulnerabilities, to installation issues and problems with Zebra label printers subsequently refusing to print.

https://borncity.com/win/2021/07/08/the-chaos-printnightmare-emergency-update-july-6-7-2021/