CVE-2026-16371

Description

Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, Thunderbird 140.13, Firefox ESR 140.15, and Thunderbird 140.15.

References

https://www.mozilla.org/security/advisories/mfsa2026-87/

https://www.mozilla.org/security/advisories/mfsa2026-84/

https://www.mozilla.org/security/advisories/mfsa2026-72/

https://www.mozilla.org/security/advisories/mfsa2026-71/

https://www.mozilla.org/security/advisories/mfsa2026-70/

https://www.mozilla.org/security/advisories/mfsa2026-68/

https://bugzilla.mozilla.org/show_bug.cgi?id=2008369

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS