Vulnerable Driver Blocklist

This page will help you disable the Vulnerable Driver Blocklist in Windows.

  1. Check Current Blocklist Status Via PowerShell (Optional)

  • Press Start, type PowerShell, right-click it, and select Run as Administrator.

  • Run this command:

Get-CimInstance -Namespace root\Microsoft\Windows\CI -ClassName Win32_DeviceGuard
  • Look for:

UserModeCodeIntegrityPolicyEnabled

KernelModeCodeIntegrityPolicyEnabled

  1. Disable Blocklist in Windows Settings (if available)

  • Go to SettingsPrivacy & SecurityWindows SecurityDevice Security.

  • Click Core Isolation details.

  • Find Microsoft Vulnerable Driver Blocklist and toggle it Off.

(If it is greyed out, continue on)

  1. Disable the Blocklist via Registry Command (All Windows Editions)

  • Press Windows + X, then choose Terminal (Admin) or open Command Prompt as Administrator.

  • Copy & run the following command:

reg add HKLM\SYSTEM\CurrentControlSet\Control\CI\Config /v VulnerableDriverBlocklistEnable /t REG_DWORD /d 0x000000 /f
  • You should see: "The operation completed successfully."

  • Restart your PC.

  1. Confirm the Blocklist Is Disabled

After reboot:

  • Go back to Windows SecurityDevice SecurityCore Isolation Details

  • The Microsoft Vulnerable Driver Blocklist should be Off

  • Or re-run the PowerShell command from Step 1 to verify policy status

Last updated