What is CVE-2026-0860?

CVE-2026-0860 is a high-severity vulnerability in Arm Ltd 5th Gen GPU Architecture Kernel Driver, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-09-08.

How severe is CVE-2026-0860?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Arm Ltd 5th Gen GPU Architecture Kernel Driver

CVE-2026-0860

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform improper GPU memory processing operations to gain access to sensitive kernel information. This issue affects Valhall GPU Kernel Driver: from r29p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0.

Vulnerability class: Information Disclosure

Published 2026-09-08 · last modified 2026-09-10.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (14.9th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Arm Ltd 5th Gen GPU Architecture Kernel Driver — versions r55p0
Arm Ltd Valhall GPU Kernel Driver — versions r55p0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

support.arm.com/documentation/111552/1-0/

Frequently asked questions

What is CVE-2026-0860?: CVE-2026-0860 is a high-severity vulnerability in Arm Ltd 5th Gen GPU Architecture Kernel Driver, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-09-08.
How severe is CVE-2026-0860?: High severity. CVSS v3 base score is 7.5 out of 10.