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CVE-2026-84324

Estado: AnalizadaCrítica (9)—

Use after free in Proxy in Google Chrome prior to 152.0.7977.75 allowed a remote attacker to execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: High)

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.

Use-after-free remoto en Chrome (AV:N, PR:N) permite ejecución de código arbitrario fuera del sandbox. Acceso red sin autenticación requiere T1190. El impacto es ejecución de código (T1059) con potencial escalada (T1068) por salir del sandbox.

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 ManagementExecution PreventionApplication Isolation and SandboxingExploit ProtectionUpdate SoftwareVulnerability Scanning

Tecnologías afectadas (1)

Google — Chrome

CWE

Referencias

JSON original (NVD)

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  "cveTags": [],
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          "role": "CISA Coordinator",
          "options": [
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            },
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          ],
          "version": "2.0.3",
          "timestamp": "2026-09-02T00:00:00+00:00"
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          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "chrome-cve-admin@google.com",
      "affectedData": [
        {
          "vendor": "Google",
          "product": "Chrome",
          "versions": [
            {
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              "version": "152.0.7977.75",
              "lessThan": "152.0.7977.75",
              "versionType": "custom"
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  "published": "2026-09-02T00:18:27.230",
  "references": [
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      "url": "https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop.html",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "chrome-cve-admin@google.com"
    },
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      "url": "https://issues.chromium.org/issues/533534913",
      "tags": [
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      ],
      "source": "chrome-cve-admin@google.com"
    }
  ],
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      "value": "Use after free in Proxy in Google Chrome prior to 152.0.7977.75 allowed a remote attacker to execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: High)"
    }
  ],
  "lastModified": "2026-09-03T17:12:44.213",
  "configurations": [
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  "sourceIdentifier": "chrome-cve-admin@google.com"
}