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CVE-2018-8430

Estado: ModificadaAlta (7.8)—

Existe una vulnerabilidad de ejecución remota de código en Microsoft Word si un usuario abre un archivo PDF especialmente manipulado. Esto también se conoce como "Word PDF Remote Code Execution Vulnerability". Esto afecta a Microsoft Word y Microsoft Office.

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 (2)

Microsoft — OfficeMicrosoft — Word

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-8430",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "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
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Microsoft Word",
          "versions": [
            {
              "status": "affected",
              "version": "2013 RT Service Pack 1"
            },
            {
              "status": "affected",
              "version": "2013 Service Pack 1 (32-bit editions)"
            },
            {
              "status": "affected",
              "version": "2013 Service Pack 1 (64-bit editions)"
            },
            {
              "status": "affected",
              "version": "2016 (32-bit edition)"
            },
            {
              "status": "affected",
              "version": "2016 (64-bit edition)"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft Office",
          "versions": [
            {
              "status": "affected",
              "version": "2016 Click-to-Run (C2R) for 32-bit editions"
            },
            {
              "status": "affected",
              "version": "2016 Click-to-Run (C2R) for 64-bit editions"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-09-13T00:29:03.303",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/105212",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1041638",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8430",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/105212",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1041638",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8430",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A remote code execution vulnerability exists in Microsoft Word if a user opens a specially crafted PDF file, aka \"Word PDF Remote Code Execution Vulnerability.\" This affects Microsoft Word, Microsoft Office."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de ejecución remota de código en Microsoft Word si un usuario abre un archivo PDF especialmente manipulado. Esto también se conoce como \"Word PDF Remote Code Execution Vulnerability\". Esto afecta a Microsoft Word y Microsoft Office."
    }
  ],
  "lastModified": "2026-06-17T02:04:51.307",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "120690A6-E0A1-4E36-A35A-C87109ECC064"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:office:2013:sp1:*:*:rt:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F7DDFFB8-2337-4DD7-8120-56CC8EF134B4"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:office:2016:*:*:*:click-to-run:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E74CB3D6-B0D7-4A6C-ABAA-170C7710D856"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4DA042D4-B14E-4DDF-8423-DFB255679EFE"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}