How to Enable or Disable Microsoft Vulnerable Driver Blocklist?

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What Is Microsoft Vulnerable Driver Blocklist?

Vulnerable Driver Blocklist is a useful feature in the Windows Security app. When it is enabled, it can block vulnerable drivers from running on your system, to reduce the risk of computer operation.

In Microsoft recommended driver block rules, Microsoft Vulnerable Driver Blocklist is described like this:

With Windows 11 2022 update, the vulnerable driver blocklist is enabled by default for all devices, and can be turned on or off via the Windows Security app. Except on Windows Server 2016, the vulnerable driver blocklist is also enforced when either memory integrity (also known as hypervisor-protected code integrity or HVCI), Smart App Control, or S mode is active. Users can opt in to HVCI using the Windows Security app, and HVCI is on by-default for most new Windows 11 devices.

It is recommended to keep the On status of Microsoft Vulnerable Driver Blocklist in Windows Security. However, some users still want to turn off Microsoft Vulnerable Driver Blocklist for some reason.

In this post, we will introduce how to enable or disable Microsoft Vulnerable Driver Blocklist on a Windows 10/11 computer.

How to Enable or Disable Microsoft Vulnerable Driver Blocklist?

Usually, Microsoft Vulnerable Driver Blocklist is turned on by default. If you want to turn off Microsoft Vulnerable Driver Blocklist, you can do this job in the Windows Security app or using Registry Editor. You can use the same app if you want to enable Microsoft Vulnerable Driver Blocklist again.

Way 1: Enable or disable Vulnerable Driver Blocklist in Windows Security app

Step 1: Type Windows Security into the search box to search for it. Windows Security should be the best match. You need to click it to open it.

Step 2: Switch to Device security, then click Core isolation details under Core isolation.

Step 3: Scroll down to the Microsoft Vulnerable Driver Blocklist section and turn it off. If the User Account Control interface pops up, you need to click the Yes button to allow the operation.

If you want to turn on Microsoft Vulnerable Driver Blocklist, you need to toggle the button to On.

Way 2: Enable or disable Vulnerable Driver Blocklist using Registry Editor

If you are an advanced user, you can also go to Registry Editor to modify the corresponding registry key. Here is one thing you need to note: wrong operations in Registry Editor might cause issues on your PC. So, you’d better back up your Registry key beforehand.

Step 1: Press Windows + R to open Run.

Step 2: Type regedit into the Run dialog and press Enter to open Registry Editor. If the User Account Control interface appears, you need to click the Yes button to allow the operation.

Step 3: Go to the following path:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CI\Config

Step 4: Double-click VulnerableDriverBlocklistEnable from the right panel to open it.

Step 5: Here are two choices:

• If you want to enable Microsoft Vulnerable Driver Blocklist, the value data should be 1.
• If you want to disable Microsoft Vulnerable Driver Blocklist, the value data should be 0.

Step 6: Click OK to save the change.

After these steps, you’d better restart your computer. Then, you can find Microsoft Vulnerable Driver Blocklist is turned off or on.

These are the two ways to enable or disable Microsoft Vulnerable Driver Blocklist. You can select one way according to your situation.

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