CVE Tools
Sign in

CVE-2026-49746

GPU DDK - Dimension Mismatch and Integer Truncation in PMRDevPhysAddrOSMem

Published: Aug 7, 2026Updated: Aug 7, 2026 Sources: CVE List NVDCWE-823
7.1HIGH
NVD MITRE
EPSS Score
0.1%
Top 98.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-823

Affected Products

Imagination Technologies
commercial·GB
Graphics DDKEmbeddedFirmware
Hardware Firmware / cpu-gpu

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
Is your org exposed to CVE-2026-49746?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://www.imaginationtech.com/gpu-driver-vulnerabilities/
imaginationtech.com

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2026-49746 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows