Windows is finally fixing a years-old security hole in April

Microsoft is tightening security in Windows 11. Starting April 2026, outdated kernel drivers will be phased out—the company’s ...
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Microsoft's April 2026 Windows update ends trust for cross-signed kernel drivers

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 under new Kernel Policy

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

Microsoft tells crusty old kernel drivers to get with the Windows Hardware Compatibility Program

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 ...