CVE-2026-16349
Critical · CVSS 9.8- CVSS
- 9.8
- nvd
- EPSS
- 0.24%
- 15th pct
- KEV
- No
- Class
- other
- CWE-346
Description
Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2034682
- https://www.mozilla.org/security/advisories/mfsa2026-68/
- https://www.mozilla.org/security/advisories/mfsa2026-69/
- https://www.mozilla.org/security/advisories/mfsa2026-70/
- https://www.mozilla.org/security/advisories/mfsa2026-71/
- https://www.mozilla.org/security/advisories/mfsa2026-72/
Status: profiled · ingested 2026-07-24T18:00:18.000Z