In April 2026, Microsoft is blocking old kernel drivers in Windows, closing a vulnerability that's been exploited for years.
Microsoft will block legacy drivers in Windows 11 starting April 2026, enforcing WHCP signing to improve security and system stability.
New Windows policies will block unvetted kernel drivers, forcing enterprises to confront hidden dependencies on legacy systems.
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 ...
Windows 11 KB5079458 and KB5079464 Beta and Dev updates introduce stricter kernel security for older drivers, custom user folder naming during setup, and new IT admin tools.
Microsoft has blocked the registry hack that let Windows 11 users activate nvmedisk.sys, a native NVMe driver that delivered ...