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CVE-2021-36927

Estado: ModificadaAlta (7.8)—

Windows Digital TV Tuner device registration application Elevation of Privilege Vulnerability

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 (5)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-36927",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secure@microsoft.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      },
      {
        "type": "Secondary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Windows 7",
          "versions": [
            {
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              "version": "6.1.0",
              "lessThan": "6.1.7601.25898",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "32-bit Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 7 Service Pack 1",
          "versions": [
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              "version": "6.1.0",
              "lessThan": "6.1.7601.25898",
              "versionType": "custom"
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          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 8.1",
          "versions": [
            {
              "status": "affected",
              "version": "6.3.0",
              "lessThan": "6.3.9600.20303",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "32-bit Systems",
            "ARM64-based Systems",
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2008 R2 Service Pack 1",
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              "version": "6.1.7601.0",
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          ],
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        {
          "vendor": "Microsoft",
          "product": "Windows Server 2008 R2 Service Pack 1 (Server Core installation)",
          "versions": [
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              "version": "6.1.7601.0",
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              "versionType": "custom"
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          ],
          "platforms": [
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          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2008 Service Pack 2",
          "versions": [
            {
              "status": "affected",
              "version": "6.0.6003.0",
              "lessThan": "6.0.6003.21416",
              "versionType": "custom"
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          ],
          "platforms": [
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            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2008 Service Pack 2 (Server Core installation)",
          "versions": [
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              "status": "affected",
              "version": "6.0.6003.0",
              "lessThan": "6.0.6003.21416",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "32-bit Systems",
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2012",
          "versions": [
            {
              "status": "affected",
              "version": "6.2.9200.0",
              "lessThan": "6.2.9200.23645",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2012 (Server Core installation)",
          "versions": [
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              "status": "affected",
              "version": "6.2.9200.0",
              "lessThan": "6.2.9200.23645",
              "versionType": "custom"
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          ],
          "platforms": [
            "x64-based Systems"
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        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2012 R2",
          "versions": [
            {
              "status": "affected",
              "version": "6.3.9600.0",
              "lessThan": "6.3.9600.20303",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2012 R2 (Server Core installation)",
          "versions": [
            {
              "status": "affected",
              "version": "6.3.9600.0",
              "lessThan": "6.3.9600.20303",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        }
      ]
    }
  ],
  "published": "2021-08-12T18:15:09.697",
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36927",
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36927",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Windows Digital TV Tuner device registration application Elevation of Privilege Vulnerability"
    },
    {
      "lang": "es",
      "value": "Una Vulnerabilidad de Elevación de Privilegios en la aplicación de registro de Windows Digital TV Tuner"
    }
  ],
  "lastModified": "2026-08-10T16:17:59.320",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "C2B1C231-DE19-4B8F-A4AA-5B3A65276E46"
            },
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              "matchCriteriaId": "E93068DB-549B-45AB-8E5C-00EB5D8B5CF8"
            },
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              "matchCriteriaId": "C6CE5198-C498-4672-AF4C-77AB4BE06C5C"
            },
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              "vulnerable": true,
              "matchCriteriaId": "5F422A8C-2C4E-42C8-B420-E0728037E15C"
            },
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              "vulnerable": true,
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            },
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              "matchCriteriaId": "DB18C4CE-5917-401E-ACF7-2747084FD36E"
            }
          ],
          "operator": "OR"
        }
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    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}