CVE-2026-83564
Estado: Pendiente de análisisAlta (7)—
Uso de memoria después de liberarla (use after free) en el componente de búsqueda de Microsoft Windows permite a un atacante autorizado escalar privilegios de forma local.
Traducción automática del texto original de NVD (en inglés).
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 7
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
T1068Exploitation for Privilege Escalationprivilege escalation92 %
El vector AV:L/PR:L/UI:N y la descripción 'elevate privileges locally' sustentan T1068; el texto no menciona ejecución de comandos, así que no se asigna impacto de T1059.
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-416
Referencias
JSON original (NVD)
Mostrar
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"role": "CISA Coordinator",
"options": [
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"exploitation": "none"
},
{
"automatable": "no"
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],
"version": "2.0.3",
"timestamp": "2026-10-13T20:40:37.318476Z"
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"attackComplexity": "HIGH",
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"privilegesRequired": "LOW",
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],
"published": "2026-10-13T19:19:58.570",
"references": [
{
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83564",
"source": "secure@microsoft.com"
}
],
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"type": "Secondary",
"source": "secure@microsoft.com",
"description": [
{
"lang": "en",
"value": "CWE-416"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally."
}
],
"lastModified": "2026-10-13T21:18:25.613",
"sourceIdentifier": "secure@microsoft.com"
}