Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-16398

Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 4.6%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-16398


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