7.8

CVE-2026-7639: imagination technologies graphics ddk Incomplete Cleanup

CVSS: 7.8v3.1HighAnalyzed
Published 10-07-2026Last modified 13-07-2026
Open JSON

Vulnerability summary

CVE-2026-7639 is a high (CVSS 7.8) Incomplete Cleanup vulnerability in imagination technologies graphics ddk. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.1% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.18%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-07-2026
    PublishedVulnerability first disclosed.
  2. 13-07-2026
    Last modifiedVulnerability information updated.

Description

Software installed and run as a non-privileged user may conduct a sequence of improper GPU system calls causing use after free, which helps in facilitating unprivileged memory access from a shader code. Triggering failure path in the MMU mapping logic by a malicious code could lead to incomplete cleanup of an internal driver state, allowing for future unauthorized access to the contents of the physical memory.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

0.00 pp

From 0.18% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.18%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Imagination technologies1 product
  • graphics ddk1.18 RTM2 | 23.2 RTM2 | 24.2 RTM2 | ≥ 25.1 RTM2, ≤ 25.3 RTM | 26.1 RTM1
Imaginationtech1 product
  • ddk< 26.1 | 26.1:rtm1

2 vendors · 2 products

References

1 links