VULNERABILITY INTELLIGENCE

CVE-2026-40393

CVSS score8.1 HIGH
EPSS probability0.43%
CISA KEVNot currently listed
Published2026-04-12
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

In Mesa before 25.3.6 and 26 before 26.0.1, out-of-bounds memory access can occur in WebGPU because the amount of to-be-allocated data depends on an untrusted party, and is then used for alloca.

Weakness classification

  • cve@mitre.org: CWE-787

Primary references