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CVE-2018-8273

Estado: ModificadaCrítica (9.8)—

A buffer overflow vulnerability exists in the Microsoft SQL Server that could allow remote code execution on an affected system, aka "Microsoft SQL Server Remote Code Execution Vulnerability." This affects Microsoft SQL Server.

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 — SQL Server

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-8273",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 10,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Microsoft SQL Server",
          "versions": [
            {
              "status": "affected",
              "version": "2016 for x64-based Systems Service Pack 1"
            },
            {
              "status": "affected",
              "version": "2016 for x64-based Systems Service Pack 1 (CU)"
            },
            {
              "status": "affected",
              "version": "2016 for x64-based Systems Service Pack 2"
            },
            {
              "status": "affected",
              "version": "2016 for x64-based Systems Service Pack 2 (CU)"
            },
            {
              "status": "affected",
              "version": "2017 for x64-based Systems"
            },
            {
              "status": "affected",
              "version": "2017 for x64-based Systems (CU)"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-08-15T17:29:03.393",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/104967",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1041467",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8273",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/104967",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1041467",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8273",
      "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 buffer overflow vulnerability exists in the Microsoft SQL Server that could allow remote code execution on an affected system, aka \"Microsoft SQL Server Remote Code Execution Vulnerability.\" This affects Microsoft SQL Server."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de desbordamiento de búfer en Microsoft SQL Server que podría permitir la ejecución remota de código en un sistema afectado. Esto también se conoce como \"Microsoft SQL Server Remote Code Execution Vulnerability\". Esto afecta a Microsoft SQL Server."
    }
  ],
  "lastModified": "2026-06-17T02:04:32.260",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:sql_server:2016:sp1:*:*:*:*:x64:*",
              "vulnerable": true,
              "matchCriteriaId": "97A4EB92-A4A6-4B22-BB08-8519F492C191"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:sql_server:2016:sp2:*:*:*:*:x64:*",
              "vulnerable": true,
              "matchCriteriaId": "6E0BED4C-0F23-4725-9C80-51C52ABD98BC"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:sql_server:2017:*:*:*:*:*:x64:*",
              "vulnerable": true,
              "matchCriteriaId": "71370E02-63ED-4EA7-A52F-DC79381EA918"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}