Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-74976

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 24.5%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2026-74976


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