CVEvulnerability
CVE-2026-4722
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2026-03-24
- Last modified
- 2026-06-17
- 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
Description
Privilege escalation in the IPC component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
Affected configurations
• mozilla firefox (< 149.0)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2010097 Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2026-20/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-23/ www.mozilla.org