CVE-2026-49745CWE-823

CVE-2026-49745

High · published July 24, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
5.0
In the wild
Unconfirmed
What it is

Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a write of data outside the Guest's virtualised GPU memory.

Software installed and run under a Guest VM can send commands to the GPU which result in out of bounds memory accesses. These can be used to escalate privileges.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00162 · 5.0th percentile
Weakness
CWE-823 · Use of Out-of-range Pointer Offset
Published
2026-07-24T13:16Z
Affected products (2)
ProductVersionsFixed in
imaginationtech/ddk< 26.126.1
imaginationtech/ddkall versions—
References (1)
EPSS history
Timeline
  • 24 JUL 08:55Z
    GPU DDK - Unvalidated sHWPerfCtlDMABuf GPU-VA, DMA-write into FW privdata via MMU ctx 0
    cvelistv5