CVE-2025-21206

Estado: AnalizadaAlta (7.3)—

Visual Studio Installer Elevation of Privilege Vulnerability

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Puntuación base: 7.3

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.69%
Percentil entre todas las CVEs puntuadas: 51
Fecha de la puntuación: 6/10/2026

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1203 Exploitation for Client Executionexecution85 %
Impacto principalT1068 Exploitation for Privilege Escalationprivilege escalation90 %
Impacto secundarioT1574.007 Path Interception by PATH Environment Variablestealth · execution75 %

UI:R y acceso local (AV:L, PR:L) indican ejecución en cliente; escalada de privilegios (I:H+A:H) confirmada por CWE-427 (insecure temp file). Impacto primario T1068 por elevación de privilegios; secundario T1574.007 (DLL hijacking/side-loading típico en instaladores).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Execution Prevention Application Isolation and Sandboxing Exploit Protection Update Software Threat Intelligence Program Restrict File and Directory Permissions

Tecnologías afectadas (3)

Microsoft — Visual Studio 2017 Microsoft — Visual Studio 2019 Microsoft — Visual Studio 2022

CWE

CWE-427
NVD-CWE-noinfo

Referencias

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21206

JSON original (NVD)

Mostrar

{
  "id": "CVE-2025-21206",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-21206",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-02-11T19:17:19.452159Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secure@microsoft.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.3,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.3
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)",
          "versions": [
            {
              "status": "affected",
              "version": "15.9.0",
              "lessThan": "15.9.70",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)",
          "versions": [
            {
              "status": "affected",
              "version": "16.11.0",
              "lessThan": "16.11.44",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft Visual Studio 2022 version 17.10",
          "versions": [
            {
              "status": "affected",
              "version": "17.10.0",
              "lessThan": "17.10.11",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft Visual Studio 2022 version 17.12",
          "versions": [
            {
              "status": "affected",
              "version": "17.12.0",
              "lessThan": "17.12.5",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft Visual Studio 2022 version 17.8",
          "versions": [
            {
              "status": "affected",
              "version": "17.8.0",
              "lessThan": "17.8.18",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2025-02-11T18:15:31.610",
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21206",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secure@microsoft.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-427"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Visual Studio Installer Elevation of Privilege Vulnerability"
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de elevación de privilegios en el instalador de Visual Studio"
    }
  ],
  "lastModified": "2026-06-17T08:42:46.387",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7148C3A7-9A70-4560-9A0C-94951B2C9B49",
              "versionEndExcluding": "15.9.70",
              "versionStartIncluding": "15.0"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E672587A-4C0E-40F9-9417-0E9F91BC0361",
              "versionEndExcluding": "16.11.44",
              "versionStartIncluding": "16.0"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6AD60982-A18A-446A-970E-212B3F351925",
              "versionEndExcluding": "17.8.18",
              "versionStartIncluding": "17.8"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "950538A7-8681-497B-BB96-A040B9989362",
              "versionEndExcluding": "17.10.11",
              "versionStartIncluding": "17.10"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B7F01478-80E9-4E46-AD9B-CC6D095347D3",
              "versionEndExcluding": "17.12.5",
              "versionStartIncluding": "17.12"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}