CVE-2026-86361
Dell System Update, versions prior to 2.3.0.0, contains an Incorrect Permission Assignment for Critical Resource vulnerability. 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:R/S:C/C:H/I:H/A:H
- Puntuación base: 8.2
Probabilidad de explotación (EPSS)
FIRST aún no ha puntuado esta CVE (habitual en CVEs muy recientes o rechazadas).
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.
- Explotación
T1203Exploitation for Client Executionexecution75 % - Impacto principal
T1068Exploitation for Privilege Escalationprivilege escalation85 % - Impacto secundario
T1222File and Directory Permissions Modificationdefense impairment70 %
UI:R + acceso local (AV:L) indica ejecución en cliente (T1203). La vulnerabilidad de permisos (CWE-732) permite escalada de privilegios (T1068) y acceso no autorizado a recursos (T1222).
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
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-732
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-86361",
"cveTags": [],
"metrics": {
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security_alert@emc.com",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 8.2,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 6,
"exploitabilityScore": 1.5
}
]
},
"affected": [
{
"source": "security_alert@emc.com",
"affectedData": [
{
"vendor": "Dell",
"product": "System Update",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "2.3.0.0 or later",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-10-06T19:18:16.567",
"references": [
{
"url": "https://www.dell.com/support/kbdoc/en-us/000515843/dsa-2026-324-security-update-for-dell-system-update-dsu-vulnerabilities",
"source": "security_alert@emc.com"
}
],
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"type": "Primary",
"source": "security_alert@emc.com",
"description": [
{
"lang": "en",
"value": "CWE-732"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Dell System Update, versions prior to 2.3.0.0, contains an Incorrect Permission Assignment for Critical Resource vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges."
}
],
"lastModified": "2026-10-06T19:58:37.060",
"sourceIdentifier": "security_alert@emc.com"
}