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CVE-2021-36958

Estado: ModificadaAlta (7.8)—

A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. An attacker who successfully exploited this vulnerability could run arbitrary code with SYSTEM privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

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)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-36958",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 9.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "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:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "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:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
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          "product": "Windows 10 Version 1507",
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              "status": "affected",
              "version": "10.0.10240.0",
              "lessThan": "10.0.10240.19060",
              "versionType": "custom"
            }
          ],
          "platforms": [
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          ]
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        {
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          "product": "Windows 10 Version 1607",
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              "status": "affected",
              "version": "10.0.14393.0",
              "lessThan": "10.0.14393.4651",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "32-bit Systems",
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          ]
        },
        {
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          "product": "Windows 10 Version 1809",
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              "status": "affected",
              "version": "10.0.17763.0",
              "lessThan": "10.0.17763.2183",
              "versionType": "custom"
            }
          ],
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          ],
          "platforms": [
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          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 10 Version 1909",
          "versions": [
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              "status": "affected",
              "version": "10.0.0",
              "lessThan": "10.0.18363.1801",
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            }
          ],
          "platforms": [
            "32-bit Systems",
            "ARM64-based Systems",
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          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 10 Version 2004",
          "versions": [
            {
              "status": "affected",
              "version": "10.0.0",
              "lessThan": "10.0.19041.1237",
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            }
          ],
          "platforms": [
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            "ARM64-based Systems",
            "x64-based Systems"
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        },
        {
          "vendor": "Microsoft",
          "product": "Windows 10 Version 20H2",
          "versions": [
            {
              "status": "affected",
              "version": "10.0.0",
              "lessThan": "10.0.19042.1237",
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            }
          ],
          "platforms": [
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        {
          "vendor": "Microsoft",
          "product": "Windows 10 Version 21H1",
          "versions": [
            {
              "status": "affected",
              "version": "10.0.0",
              "lessThan": "10.0.19043.1237",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "32-bit Systems",
            "ARM64-based Systems",
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 7",
          "versions": [
            {
              "status": "affected",
              "version": "6.1.0",
              "lessThan": "6.1.7601.25712",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "32-bit Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 7 Service Pack 1",
          "versions": [
            {
              "status": "affected",
              "version": "6.1.0",
              "lessThan": "6.1.7601.25712",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 8.1",
          "versions": [
            {
              "status": "affected",
              "version": "6.3.0",
              "lessThan": "6.3.9600.20120",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "32-bit Systems",
            "ARM64-based Systems",
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2008 R2 Service Pack 1",
          "versions": [
            {
              "status": "affected",
              "version": "6.1.7601.0",
              "lessThan": "6.1.7601.25712",
              "versionType": "custom"
            }
          ],
          "platforms": [
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          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2008 R2 Service Pack 1 (Server Core installation)",
          "versions": [
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              "status": "affected",
              "version": "6.1.7601.0",
              "lessThan": "6.1.7601.25712",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2008 Service Pack 2",
          "versions": [
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              "status": "affected",
              "version": "6.0.6003.0",
              "lessThan": "6.0.6003.21218",
              "versionType": "custom"
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          ],
          "platforms": [
            "32-bit Systems",
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2008 Service Pack 2 (Server Core installation)",
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          ],
          "platforms": [
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        },
        {
          "vendor": "Microsoft",
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          ],
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        {
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            "x64-based Systems"
          ]
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        {
          "vendor": "Microsoft",
          "product": "Windows Server 2012 R2",
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          ],
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        },
        {
          "vendor": "Microsoft",
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              "lessThan": "6.3.9600.20120",
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          ],
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            "x64-based Systems"
          ]
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        {
          "vendor": "Microsoft",
          "product": "Windows Server 2016",
          "versions": [
            {
              "status": "affected",
              "version": "10.0.14393.0",
              "lessThan": "10.0.14393.4651",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
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        {
          "vendor": "Microsoft",
          "product": "Windows Server 2016 (Server Core installation)",
          "versions": [
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              "version": "10.0.14393.0",
              "lessThan": "10.0.14393.4651",
              "versionType": "custom"
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          "platforms": [
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          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2019",
          "versions": [
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              "lessThan": "10.0.17763.2183",
              "versionType": "custom"
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          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2019 (Server Core installation)",
          "versions": [
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              "status": "affected",
              "version": "10.0.17763.0",
              "lessThan": "10.0.17763.2183",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server version 2004",
          "versions": [
            {
              "status": "affected",
              "version": "10.0.0",
              "lessThan": "10.0.19041.1237",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server version 20H2",
          "versions": [
            {
              "status": "affected",
              "version": "10.0.0",
              "lessThan": "10.0.19042.1237",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        }
      ]
    }
  ],
  "published": "2021-08-12T18:15:10.303",
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36958",
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36958",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.kb.cert.org/vuls/id/131152",
      "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 remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. An attacker who successfully exploited this vulnerability could run arbitrary code with SYSTEM privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights."
    },
    {
      "lang": "es",
      "value": "Una Vulnerabilidad de Ejecución de Código Remota  de Windows Print Spooler. Este ID de CVE es diferente de CVE-2021-36936, CVE-2021-36947"
    }
  ],
  "lastModified": "2026-08-10T16:18:03.410",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}