CVE-2026-92068 is a vulnerability in Mozilla Firefox
Published on September 15, 2026
Site isolation issue in the Reader Mode component
Site isolation issue in the Reader Mode component. This vulnerability was fixed in Firefox 156 and Firefox ESR 153.3.
Products Associated with CVE-2026-92068
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Affected Versions
Mozilla Firefox:- Version 153.3, <= 153.* is unaffected.
- Version 156, <= * is unaffected.