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CVE-2017-8555

Estado: ModificadaMedia (4.3)—

Microsoft Edge en Microsoft Windows 10 versión 1703, permite a un atacante engañar a un usuario para que cargue una página con contenido malicioso cuando la Política de Seguridad de Contenido (CSP) de Edge no puede comprobar apropiadamente ciertos documentos especialmente diseñados, también se conoce como "Microsoft Edge Security Feature Bypass Vulnerability". El ID de este CVE es diferente de CVE-2017-8523 y CVE-2017-8530.

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 — Edge

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2017-8555",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft Corporation",
          "product": "Microsoft Edge",
          "versions": [
            {
              "status": "affected",
              "version": "Microsoft Windows 10 1703."
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-06-15T01:29:04.787",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/98956",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8555",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/98956",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8555",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Microsoft Edge in Microsoft Windows 10 1703 allows an attacker to trick a user into loading a page with malicious content when the Edge Content Security Policy (CSP) fails to properly validate certain specially crafted documents, aka \"Microsoft Edge Security Feature Bypass Vulnerability\". This CVE ID is unique from CVE-2017-8523 and CVE-2017-8530."
    },
    {
      "lang": "es",
      "value": "Microsoft Edge en Microsoft Windows 10 versión 1703, permite a un atacante engañar a un usuario para que cargue una página con contenido malicioso cuando la Política de Seguridad de Contenido (CSP) de Edge no puede comprobar apropiadamente ciertos documentos especialmente diseñados, también se conoce como \"Microsoft Edge Security Feature Bypass Vulnerability\". El ID de este CVE es diferente de CVE-2017-8523 y CVE-2017-8530."
    }
  ],
  "lastModified": "2026-06-17T01:26:34.373",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "8BD5B232-95EA-4F8E-8C7D-7976877AD243"
            }
          ],
          "operator": "OR"
        },
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          "cpeMatch": [
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          "operator": "OR"
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      "operator": "AND"
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}