How to Enable or Disable Microsoft Vulnerable Driver Blocklist in Windows 11

This guide explains how to manage the Microsoft Vulnerable Driver Blocklist in Windows 11. This feature keeps your computer safe by stopping known bad drivers from running.

Why use this feature?

Windows uses this list to automatically block drivers that might cause your computer to crash or become unstable. It acts as a shield against software that could harm your system’s security.

What happens when you change it?

If you turn this feature off, you might be able to use older hardware that was previously blocked. However, you also lose a layer of protection against potentially harmful drivers. If you turn it on, Windows will actively check and block dangerous drivers to keep your system stable.

You can manage this setting using the Windows Security app. This feature is typically active on systems that use memory securit or run Windows in S Mode.

How to Enable or Disable the Blocklist

You can turn this feature on or off using the Windows Security app. Note: This process requires admin privileges.

1. Open the Start menu.
2. Type Windows Security into the search box and click the app in the results.

1. Inside the app, click Device security on the left menu.

1. Click the Core isolation details link.

1. Find the Microsoft Vulnerable Driver Blocklist option. Use the toggle switch to turn it Off or On.

1. Once you have finished, you can simply close the Windows Security app.

Summary

The Microsoft Vulnerable Driver Blocklist is a security tool enabled by default in Windows 11. It protects your computer by blocking unstable or risky drivers. You can toggle this setting in the Device security section of the Windows Security app. Always keep an eye on your device performance after changing this setting to make sure your hardware continues to work correctly. For more technical details, visit Microsoft.com.