CVE-2026-49746 GPU DDK - Dimension Mismatch and Integer Truncation in PMRDevPhysAddrOSMem
A non-privileged user can trigger out-of-bounds reads and use-after-free in the GPU driver, potentially leading to kernel memory access and 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-2026-49746?
CVE-2026-49746 is a high-severity memory corruption vulnerability in Imagination Technologies Graphics DDK, published on 7 Aug 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 system calls to cause OOB read kernel memory access and in certain cases cause GPU UAF of arbitrary pages.
Incorrect validation of array index can lead to OOB read and potentially to GPU UAF of arbitrary pages.
Weakness: CWE-823
Which versions are affected by CVE-2026-49746?
How do I fix CVE-2026-49746?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-49746 being exploited?
There is no known exploitation of CVE-2026-49746 in the wild and no public exploit code.
Sources
Also known as A-505486464, ASB-A-505486464, GHSA-xxq2-97gh-5p37.