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CVE-2018-8546

Estado: ModificadaMedia (5.9)—

A denial of service vulnerability exists in Skype for Business, aka "Microsoft Skype for Business Denial of Service Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Lync, Skype.

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 (6)

Microsoft — LyncMicrosoft — Lync BasicMicrosoft — OfficeMicrosoft — Office 365 ProplusMicrosoft — Skype FOR BusinessMicrosoft — Skype FOR Business Basic

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2018-8546",
  "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:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 5.9,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Skype",
          "versions": [
            {
              "status": "affected",
              "version": "Business 2016 (32-bit)"
            },
            {
              "status": "affected",
              "version": "Business 2016 (64-bit)"
            },
            {
              "status": "affected",
              "version": "Business 2016 Basic (32-bit)"
            },
            {
              "status": "affected",
              "version": "Business 2016 Basic (64-bit)"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft Office",
          "versions": [
            {
              "status": "affected",
              "version": "2019 for 32-bit editions"
            },
            {
              "status": "affected",
              "version": "2019 for 64-bit editions"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Office",
          "versions": [
            {
              "status": "affected",
              "version": "365 ProPlus for 32-bit Systems"
            },
            {
              "status": "affected",
              "version": "365 ProPlus for 64-bit Systems"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft Lync",
          "versions": [
            {
              "status": "affected",
              "version": "2013 Service Pack 1 (32-bit)"
            },
            {
              "status": "affected",
              "version": "2013 Service Pack 1 (64-bit)"
            },
            {
              "status": "affected",
              "version": "Basic 2013 Service Pack 1 (32-bit)"
            },
            {
              "status": "affected",
              "version": "Basic 2013 Service Pack 1 (64-bit)"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-11-14T01:29:00.987",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/105802",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1042125",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8546",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/105802",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1042125",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8546",
      "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 denial of service vulnerability exists in Skype for Business, aka \"Microsoft Skype for Business Denial of Service Vulnerability.\" This affects Office 365 ProPlus, Microsoft Office, Microsoft Lync, Skype."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de denegación de servicio (DoS) en Skype for Business. Esto también se conoce como \"Microsoft Skype for Business Denial of Service Vulnerability\". Esto afecta a Office 365 ProPlus, Microsoft Office, Microsoft Lync y Skype."
    }
  ],
  "lastModified": "2026-06-17T02:05:04.493",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:lync:2013:sp1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8B854E18-7CB0-43F7-9EBF-E356FA176B2F"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:lync_basic:2013:sp1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F16F35C0-6A31-4C2E-B3BC-DCD926AF789E"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FF177984-A906-43FA-BF60-298133FBBD6B"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:office_365_proplus:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CA035812-F35A-43F1-9A8D-EE02201AA10A"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:skype_for_business:2016:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D499807D-91F3-447D-B9F0-D612898C9339"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:skype_for_business_basic:2016:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "525DB97A-C93C-45BC-B275-E6EBE7DE8788"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}