Privilege Escalation in Firefox Debugger Component
CVE-2026-6769

Currently unrated

Key Information:

Vendor: Mozilla
Status: Firefox
Vendor: CVE Published:; 21 April 2026

What is CVE-2026-6769?

A vulnerability has been identified in the Debugger component of Firefox, which could allow an attacker to escalate their privileges. This security issue was addressed in Firefox 150 and Firefox ESR 140.10. Users are encouraged to update their installations to safeguard against potential exploitation.