Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-16401

Privilege escalation in the Data Loss Prevention component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 11.8%
CVSS Severity
CVSS v3 Score 8.8
Products affected by CVE-2026-16401


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