CVE-2026-11891

5.1 mediumEPSS 0.2%

Medium (5.1). EPSS 0.2% chance of exploitation in the next 30 days.

Use After Free vulnerability in Arm Ltd Valhall GPU Userspace Driver, Arm Ltd Arm 5th Gen GPU Architecture Userspace Driver allows a non-privileged user process to perform valid GPU processing operations, including via WebGL or WebGPU, to access already freed memory. This issue affects Valhall GPU Userspace Driver: from r46p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Userspace Driver: from r46p0 through r49p5, from r50p0 through r54p3, r55p0.

Severity

CVSS 3.1

5.1 medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-31)
CWE: CWE-416
Published: 2026-09-08
Modified: 2026-09-10
Record from: the NVD, synced 2026-10-19

References

https://support.arm.com/documentation/111552/1-0/?lang=en

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