CVE-2021-28310
Estado: AnalizadaAlta (7.8)⚠ Explotación activa
Win32k Elevation of Privilege Vulnerability
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: 8.33%
- Percentil entre todas las CVEs puntuadas: 95
- 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).
CISA KEV — explotada activamente
- Añadida al catálogo: 3/11/2021
- Plazo de remediación: 17/11/2021
- Uso conocido en ransomware: Unknown
🎯 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 escalation95 % - Impacto principal
T1059Command and Scripting Interpreterexecution90 % - Impacto secundario
T1548Abuse Elevation Control Mechanismprivilege escalation85 %
CVE de escalada de privilegios local en Win32k (CWE-787, buffer overflow) con vector AV:L/PR:L. Permite ejecución de código con privilegios elevados en Windows. Usado activamente (KEV: sí).
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 (9)
CWE
- CWE-787
- CWE-787
Referencias
JSON original (NVD)
Mostrar
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],
"descriptions": [
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"lang": "en",
"value": "Win32k Elevation of Privilege Vulnerability"
},
{
"lang": "es",
"value": "Vulnerabilidad de elevación de privilegios de Win32k. Este ID de CVE es diferente de CVE-2021-27072"
}
],
"lastModified": "2026-06-17T03:46:08.633",
"cisaActionDue": "2021-11-17",
"cisaExploitAdd": "2021-11-03",
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}