Microsoft is closing a security gap that has been open for roughly twenty years. Starting with the April 2026 Windows update, ...

Windows 11 will no longer trust old drivers by default under new Kernel Trust Policy. Trust for the cross-signed ...

That said, administrators can still allow custom kernel drivers via the Application Control for Business policy to override the default kernel policy. Microsoft foresees this being used for ...

Microsoft will block legacy drivers in Windows 11 starting April 2026, enforcing WHCP signing to improve security and system ...

Microsoft is implementing a major change to how Windows handles kernel drivers. The company is discontinuing its default trust of drivers signed via the ...

New Windows policies will block unvetted kernel drivers, forcing enterprises to confront hidden dependencies on legacy systems.

In April 2026, Microsoft is blocking old kernel drivers in Windows, closing a vulnerability that's been exploited for years.