High severity · published Aug 7, 2026
CVE-2026-49746
GPU DDK - Dimension Mismatch and Integer Truncation in PMRDevPhysAddrOSMem
7.1
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GD
Graphics DDK · Imagination Technologies
1.18 RTM2; 23.2 RTM2; 24.2 RTM2; 25.1 RTM2 through 25.3 RTM; 26.1 RTM1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-49746
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-49746
www.imaginationtech.com
https://www.imaginationtech.com/gpu-driver-vulnerabilities/
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