CVE-2025-38738

Estado: AnalizadaAlta (7.8)—

SupportAssist for Home PCs Installer exe version(s) 4.8.2.29006 and prior, contain(s) an Incorrect Privilege Assignment vulnerability in the Installer. A low privileged attacker with local access could potentially exploit this vulnerability, leading to elevation of privileges.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 7.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.11%
Percentil entre todas las CVEs puntuadas: 1
Fecha de la puntuación: 5/10/2026

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.

ExplotaciónT1068 Exploitation for Privilege Escalationprivilege escalation95 %
Impacto principalT1078 Valid Accountsstealth · persistence · privilege escalation · initial access75 %

CWE-266 (asignación incorrecta de privilegios) en instalador local con PR:L sin UI, indica escalada de privilegios que permite ejecutar código con permisos elevados, logrando acceso como administrador.

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

Application Developer Guidance Active Directory Configuration User Training User Account Management Threat Intelligence Program Privileged Account Management

Tecnologías afectadas (1)

Dell — Supportassist FOR Home PCS

CWE

CWE-266

Referencias

https://www.dell.com/support/kbdoc/en-us/000356690/dsa-2025-296-security-update-for-dell-supportassist-for-home-pcs-and-dell-supportassist-for-business-pcs-vulnerabilities

JSON original (NVD)

Mostrar

{
  "id": "CVE-2025-38738",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-38738",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-08-15T03:56:00.556083Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security_alert@emc.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.7,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 0.8
      },
      {
        "type": "Primary",
        "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": "security_alert@emc.com",
      "affectedData": [
        {
          "vendor": "Dell",
          "product": "SupportAssist for Home PCs",
          "versions": [
            {
              "status": "affected",
              "version": "N/A",
              "lessThan": "4.8.2.38851",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-08-14T15:15:33.943",
  "references": [
    {
      "url": "https://www.dell.com/support/kbdoc/en-us/000356690/dsa-2025-296-security-update-for-dell-supportassist-for-home-pcs-and-dell-supportassist-for-business-pcs-vulnerabilities",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security_alert@emc.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security_alert@emc.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-266"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "SupportAssist for Home PCs Installer exe version(s) 4.8.2.29006 and prior, contain(s) an Incorrect Privilege Assignment vulnerability in the Installer. A low privileged attacker with local access could potentially exploit this vulnerability, leading to elevation of privileges."
    },
    {
      "lang": "es",
      "value": "Las versiones 4.8.2.29006 y anteriores del instalador de SupportAssist para PC doméstico contienen una vulnerabilidad de asignación incorrecta de privilegios. Un atacante con pocos privilegios y acceso local podría explotar esta vulnerabilidad, lo que conllevaría una elevación de privilegios."
    }
  ],
  "lastModified": "2026-06-17T09:17:46.300",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:dell:supportassist_for_home_pcs:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "94968545-1DF2-4F0E-A5FE-6E9C2C85D08E",
              "versionEndExcluding": "4.8.2.38851"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security_alert@emc.com"
}