CVE-2018-8114

Estado: ModificadaAlta (7.5)—

A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka "Scripting Engine Memory Corruption Vulnerability." This affects Internet Explorer 11. This CVE ID is unique from CVE-2018-0945, CVE-2018-0946, CVE-2018-0951, CVE-2018-0953, CVE-2018-0954, CVE-2018-0955, CVE-2018-1022, CVE-2018-8122, CVE-2018-8128, CVE-2018-8137, CVE-2018-8139.

CVSS

Versión: 3.0
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Puntuación base: 7.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 16%
Percentil entre todas las CVEs puntuadas: 97
Fecha de la puntuación: 7/10/2026

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

CWE-787

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-8114",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.6,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "HIGH",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 4.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.6
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Internet Explorer 11",
          "versions": [
            {
              "status": "affected",
              "version": "Windows 10 for 32-bit Systems"
            },
            {
              "status": "affected",
              "version": "Windows 10 for x64-based Systems"
            },
            {
              "status": "affected",
              "version": "Windows 10 Version 1607 for 32-bit Systems"
            },
            {
              "status": "affected",
              "version": "Windows 10 Version 1607 for x64-based Systems"
            },
            {
              "status": "affected",
              "version": "Windows 10 Version 1703 for 32-bit Systems"
            },
            {
              "status": "affected",
              "version": "Windows 10 Version 1703 for x64-based Systems"
            },
            {
              "status": "affected",
              "version": "Windows 10 Version 1709 for 32-bit Systems"
            },
            {
              "status": "affected",
              "version": "Windows 10 Version 1709 for x64-based Systems"
            },
            {
              "status": "affected",
              "version": "Windows 10 Version 1803 for 32-bit Systems"
            },
            {
              "status": "affected",
              "version": "Windows 10 Version 1803 for x64-based Systems"
            },
            {
              "status": "affected",
              "version": "Windows 7 for 32-bit Systems Service Pack 1"
            },
            {
              "status": "affected",
              "version": "Windows 7 for x64-based Systems Service Pack 1"
            },
            {
              "status": "affected",
              "version": "Windows 8.1 for 32-bit systems"
            },
            {
              "status": "affected",
              "version": "Windows 8.1 for x64-based systems"
            },
            {
              "status": "affected",
              "version": "Windows RT 8.1"
            },
            {
              "status": "affected",
              "version": "Windows Server 2008 R2 for x64-based Systems Service Pack 1"
            },
            {
              "status": "affected",
              "version": "Windows Server 2012 R2"
            },
            {
              "status": "affected",
              "version": "Windows Server 2016"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-05-09T19:29:01.167",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/103994",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1040846",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8114",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/103994",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1040846",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8114",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka \"Scripting Engine Memory Corruption Vulnerability.\" This affects Internet Explorer 11. This CVE ID is unique from CVE-2018-0945, CVE-2018-0946, CVE-2018-0951, CVE-2018-0953, CVE-2018-0954, CVE-2018-0955, CVE-2018-1022, CVE-2018-8122, CVE-2018-8128, CVE-2018-8137, CVE-2018-8139."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de ejecución remota de código que se manifiesta en la forma en la que el motor de scripting gestiona los objetos en la memoria en Internet Explorer. Esto también se conoce como \"Scripting Engine Memory Corruption Vulnerability\". Esto afecta a Internet Explorer 11. El ID de este CVE es diferente de CVE-2018-0945, CVE-2018-0946, CVE-2018-0951, CVE-2018-0953, CVE-2018-0954, CVE-2018-0955, CVE-2018-1022, CVE-2018-8122, CVE-2018-8128, CVE-2018-8137 y CVE-2018-8139."
    }
  ],
  "lastModified": "2026-06-17T02:04:17.130",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:internet_explorer:11:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "15BAAA8C-7AF1-46CE-9FFB-3A498508A1BF"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}