ScriptShare

Mitigates CVE-2021-34527 (PrintNightmare) - a critical remote code execution vulnerability in the Windows Print Spooler service.

This script implements comprehensive security controls including:

• Point and Print restrictions to prevent unauthorized driver installations
• Disabling remote printing capabilities
• Restricting printer driver installation to administrators only
• Optional complete Print Spooler service disabling

The script provides multiple layers of defense and includes error handling with detailed reporting. It requires administrative privileges to run.

Usage:

• Basic run with registry mitigations: .\script.ps1
• Disable Print Spooler completely: .\script.ps1 -DisableSpooler $true

Note: After running this script, ensure you install the latest Windows security updates from Microsoft for complete protection.