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CVE-2026-33271

Estado: AnalizadaMedia (6.7)—

Local privilege escalation due to insecure folder permissions. The following products are affected: Acronis True Image (Windows) before build 42902.

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)

Acronis — True Image

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-33271",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-33271",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-04-02T00:00:00+00:00"
        }
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Secondary",
        "source": "security@acronis.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 6.7,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/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
      }
    ]
  },
  "affected": [
    {
      "source": "security@acronis.com",
      "affectedData": [
        {
          "vendor": "Acronis",
          "product": "Acronis True Image",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "42902",
              "versionType": "semver"
            }
          ],
          "platforms": [
            "Windows"
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-04-02T18:16:27.903",
  "references": [
    {
      "url": "https://security-advisory.acronis.com/advisories/SEC-9108",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@acronis.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@acronis.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-732"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Local privilege escalation due to insecure folder permissions. The following products are affected: Acronis True Image (Windows) before build 42902."
    },
    {
      "lang": "es",
      "value": "Escalada de privilegios local debido a permisos de carpeta inseguros. Los siguientes productos están afectados: Acronis True Image (Windows) anterior a la compilación 42902."
    }
  ],
  "lastModified": "2026-07-24T21:10:00.143",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:acronis:true_image:*:*:*:*:*:windows:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2BB3F5C3-E7BF-458A-BB47-79B01F3DCF6E",
              "versionEndExcluding": "2026"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@acronis.com"
}