CVE-2026-8955

Description

Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=2031064
• https://www.mozilla.org/security/advisories/mfsa2026-46/
• https://www.mozilla.org/security/advisories/mfsa2026-48/