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CVE-2026-3991

Estado: Pendiente de análisisAlta (7.8)—

Symantec Data Loss Prevention Windows Endpoint, prior to 25.1 MP1, 16.1 MP2, 16.0 RU2 HF9, 16.0 RU1 MP1 HF12, and 16.0 MP2 HF15, may be susceptible to a Elevation of Privilege vulnerability, which is a type of issue whereby an attacker may attempt to compromise the software application to gain elevated access to resources that are normally protected from an application or user.

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).

🎯 Técnicas ATT&CK

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

Vector CVSS con AV:L PR:L UI:N indica escalada de privilegios local sin interacción de usuario (T1068). El impacto es obtención de acceso elevado/privilegiado (T1548, T1548.004 - Abuse Elevation Control Mechanism).

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 PreventionUpdate SoftwareUser Account ManagementThreat Intelligence ProgramRestrict File and Directory PermissionsPrivileged Account Management

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Symantec — Data Loss Prevention Windows EndpointAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-3991",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-3991",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-31T03:55:43.418048Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secure@symantec.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
      }
    ]
  },
  "affected": [
    {
      "source": "secure@symantec.com",
      "affectedData": [
        {
          "vendor": "Broadcom",
          "product": "Data Loss Prevention",
          "versions": [
            {
              "status": "unaffected",
              "version": "25.1.00100.60229"
            },
            {
              "status": "unaffected",
              "version": "16.1.00200.60431"
            },
            {
              "status": "unaffected",
              "version": "16.0.20009.60689"
            },
            {
              "status": "unaffected",
              "version": "16.0.10112.60928"
            },
            {
              "status": "unaffected",
              "version": "16.0.00215.62094"
            }
          ],
          "platforms": [
            "Windows"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-03-30T19:16:27.207",
  "references": [
    {
      "url": "https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/37306",
      "source": "secure@symantec.com"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secure@symantec.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-829"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Symantec Data Loss Prevention Windows Endpoint, prior to 25.1 MP1, 16.1 MP2, 16.0 RU2 HF9, 16.0 RU1 MP1 HF12, and 16.0 MP2 HF15, may be susceptible to a Elevation of Privilege vulnerability, which is a type of issue whereby an attacker may attempt to compromise the software application to gain elevated access to resources that are normally protected from an application or user."
    },
    {
      "lang": "es",
      "value": "Symantec Data Loss Prevention Windows Endpoint, anterior a 25.1 MP1, 16.1 MP2, 16.0 RU2 HF9, 16.0 RU1 MP1 HF12 y 16.0 MP2 HF15, puede ser susceptible a una vulnerabilidad de Elevación de Privilegios, que es un tipo de problema mediante el cual un atacante puede intentar comprometer la aplicación de software para obtener acceso elevado a recursos que normalmente están protegidos de una aplicación o usuario."
    }
  ],
  "lastModified": "2026-06-17T10:44:34.970",
  "sourceIdentifier": "secure@symantec.com"
}