CVE-2026-100811
Critical · CVSS 9.6- CVSS
- 9.6
- nvd
- EPSS
- 0.28%
- 18th pct
- KEV
- No
- Class
- other
- CWE-416
Description
Sandbox escape due to use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2067973
- https://www.mozilla.org/security/advisories/mfsa2026-100/
- https://www.mozilla.org/security/advisories/mfsa2026-101/
- https://www.mozilla.org/security/advisories/mfsa2026-102/
- https://www.mozilla.org/security/advisories/mfsa2026-103/
- https://www.mozilla.org/security/advisories/mfsa2026-97/
- https://www.mozilla.org/security/advisories/mfsa2026-99/
Status: profiled · ingested 2026-10-05T18:00:53.000Z