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Home » How to Protect Your PC from Windows Print Spooler PrintNightmare Vulnerability?
Computer Tips & Tricks

How to Protect Your PC from Windows Print Spooler PrintNightmare Vulnerability?

Vasantharaj R NBy Vasantharaj R NAugust 20, 2021Updated:August 28, 2021No Comments3 Mins Read
How to Protect Your PC from Windows Print Spooler PrintNightmare Vulnerability?

Hi Guys, Today I am Going to tell you How to Protect Your PC from Windows Print Spooler PrintNightmare Vulnerability?

Check Out This: How to Fix “Some of these settings are hidden or managed by your organization” in Windows 10 & 11?

Are you Looking for “How to Fix PrintNightmare Vulnerability?” or  “Windows Print Spooler  Print Nightmare Vulnerability Patch” or “Print Nightmare Windows Server,7,8,8.1,10 patch”?

You are at the Right Place to Get Your Answers & Solve the Issue/Error.

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Let’s See About it.

Steps For How to Protect Your PC from Windows Print Spooler PrintNightmare Vulnerability?

 

Method 1: Download & Install Microsoft Security Update (KB5004945)

Step 1: Download the Microsoft Security Update (KB5004945) From the below link.

https://www.catalog.update.microsoft.com/Search.aspx?q=KB5004945

Step 2: Now Install the Downloaded Security Update.(KB5004945)

Step 3: After Installing the Update, Just Restart Your PC.

 

In order to secure your system, you must confirm that the following registry settings are set to 0 (zero) or are not defined.

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Printers\PointAndPrint

NoWarningNoElevationOnInstall = 0 (DWORD) or not defined (default setting)

UpdatePromptSettings = 0 (DWORD) or not defined (default setting)

*Note – Having NoWarningNoElevationOnInstall set to 1 makes your system vulnerable by design.

 

Method 2: Disabling Print Spooler Service

Check Whether the Print Spooler service is running or not Using Windows PowerShell

Type the following Command

Get-Service -Name Spooler

Get-Service -Name Spooler

 

If the Print Spooler is running then Try to either disable the Print Spooler service or to Disable inbound remote printing through Group Policy

i) Disable the Print Spooler service Using Services.msc

Step 1: Go to Services.msc and Look for Print Spooler Service and Right Click on it and select Properties.

Step 2: Now change the Startup Type Options from Automatic to Disabled.

(or)

Step 1: First of all Run Windows Powershell as Admin and Type the following Commands.

Stop-Service -Name Spooler -Force

Set-Service -Name Spooler -StartupType Disabled

Stop-Service -Name Spooler -Force

Set-Service -Name Spooler -StartupType Disabled

How to Protect Your PC from Windows Print Spooler PrintNightmare Vulnerability?

*Note – Disabling the Print Spooler service Will Disable the ability to print both locally and remotely.

 

ii) Disable inbound remote printing through Group Policy

Step 1: Go to the Search bar and Search for Edit Group Policy or Open “gpedit.msc” Via Run Program(Ctrl+R).

Step 2: Now Navigate to the Following Location.

Computer Configuration / Administrative Templates / Printers

Step 3: Double Click on the Allow Print Spooler to accept client connections and Change the Setting to Disabled to block remote attacks.

How to Protect Your PC from Windows Print Spooler PrintNightmare Vulnerability?

Step 4: Press the Apply Button to Change the Settings and Restart the Print Spooler service for the group policy to take effect.

 

*Note – This policy will block the remote attack vector by preventing inbound remote printing operations. The system will not work as a print server, but local printing is possible.

 

@@ IMPORTANT NOTICE @@

For organizations that require non-elevated users to install printer drivers, Microsoft has released an advisory with instructions on disabling this fix.

View the Advisory Released by Microsoft 

 

That’s It. You’re Done. Have a Nice Day.

@@@ Leave Comments @@@

##Stay Safe Guys And Live Happily ##

Vasantharaj R N
  • Website

Basically an Instrumentation Engineer But Very much Interested in Blogging. I'm a Passionate Blogger and an Intermediate in the Search Engine Optimization And Always Looking Forward to Learn New Things. I always try to Fix the Common Issues Which were Faced By the Users in the World.

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