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CVE-2026-6768

Estado: AnalizadaCrítica (9.8)—

Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Vector AV:N/PR:N indica explotación remota sin privilegios (T1190). CWE-288 (improper auth) en cookies permite suplantación de identidad (T1078) y acceso a datos sensibles (T1005). Crítica: C:H, I:H, A:H.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Privileged Account ManagementApplication Developer GuidanceActive Directory ConfigurationVulnerability ScanningUser TrainingUser Account Management

Tecnologías afectadas (2)

Mozilla — FirefoxMozilla — Thunderbird

CWE

Referencias

JSON original (NVD)

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          "options": [
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          "confidentialityImpact": "HIGH"
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    },
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      "url": "https://www.mozilla.org/security/advisories/mfsa2026-30/",
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      "source": "security@mozilla.org"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150 and Thunderbird 150."
    }
  ],
  "lastModified": "2026-06-17T11:01:18.000",
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