Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-16388

Sandbox escape in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 30.2%
CVSS Severity
CVSS v3 Score 9.8
Products affected by CVE-2026-16388


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