CVE-2026-100768
Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
- Published Sep 29, 2026
- CVSS 8.8 high
- 0.3% chance of exploitation in the next 30 days (EPSS)
- A fix is available
Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.