Security News > 2021 > July > How to mitigate Print Spooler vulnerability on Windows 10
Yesterday, Microsoft released multiple Windows updates to fix the widely reported "PrintNightmare" vulnerability in the Windows Print Spooler service.
According to Microsoft, this vulnerability is impacting all Windows 10 versions, including the most recent May 2021 Update and version 20H2. To deploy Microsoft's patch, you need to check for updates under Updates & Security > Windows Update and apply the latest July update, and reboot the system when prompted.
Thankfully, you can temporarily disable the Windows Print Spooler service to mitigate the vulnerability until a proper fix is released.
In this guide, we will highlight the steps to disable the Windows Print Spooler service and mitigate the PrintNightmare CVE-2021-34527 vulnerability.
Enter the following command to stop the Spooler service:Stop-Service -Name Spooler -Force.
Enter the following command to enable the Spooler service:Set-Service -Name Spooler -StartupType Automatic.
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Related Vulnerability
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2021-07-02 | CVE-2021-34527 | Improper Privilege Management vulnerability in Microsoft products <p>A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. | 8.8 |