CVE-2026-45200 GPU DDK - Double free in _FreeOSPages due to incorrect allocation flag set by _EncodeAllocationFlags
A non-privileged user can trigger a double free in the GPU driver via crafted IOCTL calls, leading to kernel heap corruption and potential privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-45200?
CVE-2026-45200 is a high-severity use after free vulnerability in Imagination Technologies Graphics DDK, published on 4 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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 would cause an incorrect double free event when freed.
Weakness: CWE-416
Which versions are affected by CVE-2026-45200?
How do I fix CVE-2026-45200?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-45200 being exploited?
There is no known exploitation of CVE-2026-45200 in the wild and no public exploit code.
Sources
Also known as A-505490204, ASB-A-505490204, GHSA-fcpf-2c9p-9w89.