CVE-2026-92027 in Firefox

Resumen

por MITRE • 2026-09-15

Use-after-free in the DOM: Streams component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, and Firefox ESR 153.3.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

• Responsable: Mozilla
• Reservar: 2026-09-15
• Divulgación: 2026-09-15
• Moderación: aceptado
• Artículo: VDB-404183
• CPE: listo
• CWE: CWE-416 (confirmado)
• CVSS: 7.3 (VulDB)
• EPSS: 0.00000
• KEV: no
• Actividades: muy bajo
• Sector: Education, Hostingprovider, ...

Fuentes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-92027
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-92027
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-92027/