CVE-2026-45200 GPU DDK - Double free in _FreeOSPages due to incorrect allocation flag set by _EncodeAllocationFlags

Software installed and run as a non-privileged user may conduct improper GPU driver IOCTL calls to create an allocation scenario that when freed would cause double free and kernel heap corruption. Scenario caused by fabricating a specific combination of flags on the allocation interface that woul...

CVE-2026-45200

The GPU DDK is vulnerable to a double free and subsequent kernel heap corruption (CVE-2026-45200). The issue resides in the _FreeOSPages function, which can be triggered when _EncodeAllocationFlags sets an incorrect allocation flag. A non-privileged user can exploit this by conducting improper GP...