Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-92021

Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 140.16 and Thunderbird 140.16.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 20.9%
CVSS Severity
CVSS v3 Score 8.8
Products affected by CVE-2026-92021


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