CVE-2026-12155
Estado: Pendiente de análisisMedia (6.5)—
Gravedad6.5Media · CVSS 3.1
Probabilidad de explotación0.25 %mayor que el 16 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado
IBM MQ podría permitir a un atacante autenticado provocar una denegación de servicio (DoS) mediante el envío de mensajes de estado multidifusión especialmente diseñados que desencadenan una desreferenciación de puntero NULL.
Traducción automática del texto original de NVD (en inglés).
CVSS
- Puntuación base
- 6.5
- Versión
- 3.1
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días
- 0.25 %
- Percentil entre todas las CVEs puntuadas
- 16
- Fecha de la puntuación
- 20/10/2026
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).
Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1210Exploitation of Remote Serviceslateral movement90 % - Impacto principal
T1499Endpoint Denial of Serviceimpact85 %
Vector AV:N con PR:L (red con privilegios) y A:H; la descripción indica DoS por desreferencia de puntero NULL, sin ejecución de comandos, por lo que no se asigna 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-502
Referencias
Mostrar las 1 referencias
JSON original (NVD)
Mostrar
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{
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"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
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}
],
"version": "2.0.3",
"timestamp": "2026-10-19T18:25:40.646731Z"
}
}
],
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
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}
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],
"published": "2026-10-19T17:17:17.447",
"references": [
{
"url": "https://www.ibm.com/support/pages/node/7292667",
"source": "psirt@us.ibm.com"
}
],
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"type": "Secondary",
"source": "psirt@us.ibm.com",
"description": [
{
"lang": "en",
"value": "CWE-502"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "IBM MQ could allow an authenticated attacker to cause a denial of service by sending specially crafted multicast status messages that trigger a NULL pointer dereference."
}
],
"lastModified": "2026-10-19T20:55:02.217",
"sourceIdentifier": "psirt@us.ibm.com"
}