CVE-2026-40393: 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...
HIGH
CVSS 8.1
Exploit Available
Published: April 12, 2026 | Last Modified: April 12, 2026
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.
Ghostwire Analysis — What This Means Practically
- High CVSS score indicates significant risk — exploitation could lead to substantial data exposure or system compromise.
- Exploit code is reported to be available, increasing the likelihood of active exploitation.
This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.
Security Coverage (1 articles)
References