CVE-2026-6746
Mozilla Firefox, Thunderbird, Red Hat Enterprise Linux 10
Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
- CVSS
- 7.5
- EPSS
- 0.59% 44.1% percentile
- CISA KEV
- Not listed
- Published
- 2026.04.21