Windows Patch Accidently Broke Printer Connections

Users that installed the ‘PrintNightmare’ patch, which stops hackers using a critical flaw in the Windows Print Spooler software that could result in malicious individuals running code as administrators on machines, discovered that they could not connect to their printers. An emergency update issued to Windows 10 by Microsoft to stop a printer exploit bug made users lose access to their printers. Which security update broke your printer connection ?