Do this to windows right now, yesterday Microsoft release a emergency security patch update to fix critical “PrintNightmare” vulnerability. Today it seems that it still has not fix and patch the print spooler which this issue is related to. Microsoft on Tuesday released a fix for critical ‘PrintNightmare’ bug, but it seems to be ineffective and can be bypassed. The bug could allow malicious actors to take control of vulnerable systems remotely and also run arbitrary code through local privilege escalation
Computer Configuration / Administrative Templates / Printers / Point and Print Restrictions. Set to Disable.
Windows Registry Editor Version 5.00
If you want to disable print spooler until Microsoft release a full working patch.
Powershell command to Disable print Spooler:
Stop-Service -Name Spooler -Force
Set-Service -Name Spooler -StartupType Disabled
Powershell command to Enable print Spooler:
Set-Service -Name Spooler -StartupType Automatic
Start-Service -Name Spooler
Download KB5004945 from Microsoft Catalog
Windows Print Spooler Remote Code Execution Vulnerability CVE-2021-34527
#PrintNightmare #SecurityPatch #Microsoft #Windows10 #Windows