Privilege Escalation Vulnerability in Firefox by Mozilla

CVE-2026-16401

What is CVE-2026-16401?

A vulnerability exists in the Data Loss Prevention component of Firefox that allows for privilege escalation. This security flaw could potentially enable unauthorized users to gain elevated access, compromising sensitive data and functionality. Mozilla has addressed this issue in Firefox version 153, ensuring enhanced protection against such exploits. Users are advised to update to the latest version to mitigate any associated risks.

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