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CVE-2018-0855

Estado: ModificadaMedia (4.3)—

El motor de fuentes embebidas Microsoft Windows Embedded OpenType (EOT) en Microsoft Windows 7 SP1 y Windows Server 2008 R2 permite la divulgación de información debido a la forma en la que el motor de fuentes Windows EOT gestiona las fuentes embebidas. Esto también se conoce como "Windows EOT Font Engine Information Disclosure Vulnerability". El ID de este CVE es diferente de CVE-2018-0755, CVE-2018-0760 y CVE-2018-0761.

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 — Windows 7Microsoft — Windows Server 2008

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2018-0855",
  "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:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "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:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft Corporation",
          "product": "Windows Embedded OpenType (EOT) font engine",
          "versions": [
            {
              "status": "affected",
              "version": "Windows 7 SP1 and Windows Server 2008 R2 SP1"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-02-15T02:29:03.233",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/102936",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1040374",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0855",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/102936",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1040374",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0855",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Microsoft Windows Embedded OpenType (EOT) font engine in Microsoft Windows 7 SP1 and Windows Server 2008 R2 allows information disclosure, due to how the Windows EOT font engine handles embedded fonts, aka \"Windows EOT Font Engine Information Disclosure Vulnerability\". This CVE ID is unique from CVE-2018-0755, CVE-2018-0760, and CVE-2018-0761."
    },
    {
      "lang": "es",
      "value": "El motor de fuentes embebidas Microsoft Windows Embedded OpenType (EOT) en Microsoft Windows 7 SP1 y Windows Server 2008 R2 permite la divulgación de información debido a la forma en la que el motor de fuentes Windows EOT gestiona las fuentes embebidas. Esto también se conoce como \"Windows EOT Font Engine Information Disclosure Vulnerability\". El ID de este CVE es diferente de CVE-2018-0755, CVE-2018-0760 y CVE-2018-0761."
    }
  ],
  "lastModified": "2026-06-17T01:31:48.453",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C2B1C231-DE19-4B8F-A4AA-5B3A65276E46"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2ACA9287-B475-4AF7-A4DA-A7143CEF9E57"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}