Do This To Windows Right Now – “PrintNightmare”

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

Update Windows Right Now

Computer Configuration / Administrative Templates / Printers / Point and Print Restrictions. Set to Disable.

Registry key
———————————————
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Printers\PointAndPrint] “NoWarningNoElevationOnInstall”=dword:00000001
——————————————————–

Registry Key Download

Microsoft’s incomplete PrintNightmare patch fails to fix vulnerability

Microsoft’s emergency patch fails to fix critical “PrintNightmare” vulnerability

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

Take action: Out-of-band update to address a remote code execution exploit in the Windows Print Spooler service

Download KB5004945 from Microsoft Catalog

Windows Print Spooler Remote Code Execution Vulnerability CVE-2021-34527

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#PrintNightmare #SecurityPatch #Microsoft #Windows10 #Windows

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