Vulnerability Details CVE-2026-74984
Race condition in the JavaScript Engine component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 10.3%
CVSS Severity
CVSS v3 Score 6.8