CVE-2026-74962 in Firefox

Sumário

de MITRE • 18/08/2026

Site isolation issue in the Networking: Cookies component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, and Firefox ESR 153.1.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

• Responsável: Mozilla
• Reservar: 17/08/2026
• Divulgação: 18/08/2026
• Moderação: aceite
• Entrada: VDB-391614
• CPE: pronto
• CWE: CWE-653 (confirmado)
• CVSS: 6.3 (VulDB)
• EPSS: 0.00000
• KEV: não
• Atividades: muito baixo
• Sector: Hostingprovider, Education, ...

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-74962
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-74962
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-74962/