Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-92035

Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Thunderbird 140.17, Firefox 156, Firefox ESR 153.3, Thunderbird 156, Thunderbird 153.3, Firefox ESR 115.42, and Firefox ESR 140.17.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 26.4%
CVSS Severity
CVSS v3 Score 9.6
Products affected by CVE-2026-92035


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