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CVE-2026-8391

Other issue in the JavaScript Engine component

CVSS 5.3 MEDIUMEPSS 0.3%CWE-119CWE-20CWE-475CWE-79
Vexday Risk Score
13Bajo
Decisión SSVC (CISA)
Track
Sin señal de explotación → monitorear
CVSS 5.3EPSS 0.3%KEV nãoPoC Nuclei Metasploit Patch referenciado
Ciclo de vida
12 may 2026Publicada en NVD
Recomendación: Monitorear — sin señal de explotación por ahora.
Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N