Review reviewCritical
CVE-2026-12293
Mozilla Firefox, Thunderbird, Red Hat Enterprise Linux 10
Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
- CVSS
- 9.8
- EPSS
- 0.30% 22.6% percentile
- CISA KEV
- Not listed
- Published
- 2026.06.16