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CVE-2020-15996

Estado: ModificadaAlta (8.8)—

Un uso de la memoria previamente liberada en passwords en Google Chrome anterior a versión 86.0.4240.99, permitía a un atacante remoto que había comprometido el proceso del renderizador realizar potencialmente un escape del sandbox por medio de una página HTML diseñada

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).

Tecnologías afectadas (1)

Google — Chrome

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-15996",
  "cveTags": [],
  "metrics": {
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      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "impactScore": 6.4,
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        "exploitabilityScore": 8.6,
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
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          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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  },
  "affected": [
    {
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      "affectedData": [
        {
          "vendor": "Google",
          "product": "Chrome",
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              "lessThan": "86.0.4240.99",
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  "published": "2020-11-03T03:15:14.650",
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      "url": "https://chromereleases.googleblog.com/2020/10/chrome-for-android-update_31.html",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "https://crbug.com/1133635",
      "tags": [
        "Permissions Required",
        "Vendor Advisory"
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    },
    {
      "url": "https://chromereleases.googleblog.com/2020/10/chrome-for-android-update_31.html",
      "tags": [
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        "Vendor Advisory"
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        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use after free in passwords in Google Chrome prior to 86.0.4240.99 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page."
    },
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      "lang": "es",
      "value": "Un uso de la memoria previamente liberada en passwords en Google Chrome anterior a versión 86.0.4240.99, permitía a un atacante remoto que había comprometido el proceso del renderizador realizar potencialmente un escape del sandbox por medio de una página HTML diseñada"
    }
  ],
  "lastModified": "2026-06-17T02:57:35.927",
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    {
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              "versionEndExcluding": "86.0.4240.99"
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  "sourceIdentifier": "chrome-cve-admin@google.com"
}