CVE-2026-76467
Estado: RecibidaAlta (7.5)—
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco networking engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2026-76467 are related to issues concerning improper control of a resource through its lifetime that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-664.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 7.5
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
T1190Exploit Public-Facing Applicationinitial access75 % - Impacto principal
T1499.004Application or System Exploitationimpact65 %
Vector CVSS AV:N sin privilegios apunta a T1190. CWE-664 (improper resource control) y ausencia de integridad sugieren DoS por agotamiento de recursos (T1499.004) con confianza moderada dada la descripción genérica.
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 (7)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-664
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-76467",
"cveTags": [],
"metrics": {
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{
"type": "Primary",
"source": "psirt@cisco.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 3.9
}
]
},
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{
"vendor": "Cisco",
"product": "Cisco Meraki MX Firmware",
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{
"status": "affected",
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},
{
"status": "affected",
"version": "16.3"
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{
"status": "affected",
"version": "16.4"
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
"version": "17.3"
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{
"status": "affected",
"version": "17.6"
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{
"status": "affected",
"version": "17.7"
},
{
"status": "affected",
"version": "17.8"
},
{
"status": "affected",
"version": "17.9"
},
{
"status": "affected",
"version": "17.10"
},
{
"status": "affected",
"version": "18.1"
},
{
"status": "affected",
"version": "18.2"
},
{
"status": "affected",
"version": "19.1"
},
{
"status": "affected",
"version": "MX 18.211.2"
},
{
"status": "affected",
"version": "MX 26.2.1"
},
{
"status": "affected",
"version": "MX 19.2.8"
},
{
"status": "affected",
"version": "MX 26.2.2"
},
{
"status": "affected",
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},
{
"status": "affected",
"version": "MX 26.1.5"
},
{
"status": "affected",
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}
],
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}
]
}
],
"published": "2026-10-07T17:16:59.503",
"references": [
{
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-meraki-os-drbEX9GH",
"source": "psirt@cisco.com"
}
],
"vulnStatus": "Received",
"weaknesses": [
{
"type": "Primary",
"source": "psirt@cisco.com",
"description": [
{
"lang": "en",
"value": "CWE-664"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco networking engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.\r\n\r\nThe vulnerabilities tracked by CVE-2026-76467 are related to issues concerning improper control of a resource through its lifetime that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-664."
}
],
"lastModified": "2026-10-07T17:16:59.503",
"sourceIdentifier": "psirt@cisco.com"
}