CVE-2026-92062 is a vulnerability in Mozilla Firefox
Published on September 15, 2026
Privilege escalation in the Session Restore component
Privilege escalation in the Session Restore component. This vulnerability was fixed in Firefox 156 and Firefox ESR 153.3.
Products Associated with CVE-2026-92062
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Affected Versions
Mozilla Firefox:- Version 153.3, <= 153.* is unaffected.
- Version 156, <= * is unaffected.