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CVE-2011-1266

Estado: ModificadaAlta (9.3)—

La implementación Vector Markup Language (VML) en vgx.dll en Microsoft Internet Explorer 6 hasta la 8, no maneja adecuadamente los objetos en memoria, permitiendo a atacantes remotos ejecutar código arbitrario accediento a un objeto que (1) no se ha inicializado correctamente o (2) es eliminado, también conocido como "Vulnerabiliad de Corrupción de memoria VML."

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)

Microsoft — Internet Explorer

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2011-1266",
  "cveTags": [],
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 9.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
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  "affected": [
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      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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        }
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  ],
  "published": "2011-06-16T20:55:01.997",
  "references": [
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-052",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12593",
      "tags": [
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      "tags": [
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      "description": [
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          "lang": "en",
          "value": "CWE-908"
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  "lastModified": "2026-06-16T23:29:03.023",
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