CVEvulnerability
CVE-2026-16371
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2026-07-21
- Last modified
- 2026-10-24
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-269
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.
Affected configurations
• mozilla firefox (< 140.13.0)
• mozilla firefox (< 153.0.0)
• mozilla thunderbird (< 140.13.0)
• mozilla thunderbird (>= 141.0 < 153.0)
Related
Weakness · CWE (1)
- CWE-269 Improper Privilege Management weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2008369 Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2026-68/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-70/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-71/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-72/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-84/ www.mozilla.org
- https://www.mozilla.org/security/advisories/mfsa2026-87/ www.mozilla.org