VULNERABILITY INTELLIGENCE
CVE-2026-6769
CVSS score8.8 HIGH
EPSS probability0.23%
CISA KEVNot currently listed
Published2026-04-21
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Description
Privilege escalation in the Debugger component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-269
Primary references
- security@mozilla.org — Permissions Required
- security@mozilla.org — Vendor Advisory
- security@mozilla.org — Vendor Advisory
- security@mozilla.org — Vendor Advisory
- security@mozilla.org — Vendor Advisory