CVE-2026-8962 PUBLISHED

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11.

• Manojkumar Jaganathan

• https://bugzilla.mozilla.org/show_bug.cgi?id=2004804
• https://www.mozilla.org/security/advisories/mfsa2026-46/
• https://www.mozilla.org/security/advisories/mfsa2026-48/