CVE-2026-76470
Estado: RecibidaAlta (8.8)—
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-2026-76470 are related to incorrect calculation issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-682.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 8.8
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
T1210Exploitation of Remote Serviceslateral movement60 %
Inferido por reglas deterministas a partir del vector CVSS y la CWE. Solo orientativo.
🛡️ 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-682
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-76470",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-76470",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-10-07T18:01:53.181320Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "psirt@cisco.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 8.8,
"attackVector": "ADJACENT_NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "psirt@cisco.com",
"affectedData": [
{
"vendor": "Cisco",
"product": "Cisco Campus Gateway Software",
"versions": [
{
"status": "affected",
"version": "CG 33.1.3"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Cisco",
"product": "Cisco Meraki MR Wireless Access Points Software",
"versions": [
{
"status": "affected",
"version": "MR 33.1.2"
},
{
"status": "affected",
"version": "MR 30.6"
},
{
"status": "affected",
"version": "MR 32.1.7"
},
{
"status": "affected",
"version": "MR 32.2.3"
},
{
"status": "affected",
"version": "MR 32.2.4"
},
{
"status": "affected",
"version": "MR 33.1.1"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Cisco",
"product": "Cisco Meraki MV Firmware",
"versions": [
{
"status": "affected",
"version": "4.20"
},
{
"status": "affected",
"version": "5.0"
},
{
"status": "affected",
"version": "5.1"
},
{
"status": "affected",
"version": "5.2"
},
{
"status": "affected",
"version": "5.3"
},
{
"status": "affected",
"version": "5.4"
},
{
"status": "affected",
"version": "5.4.1"
},
{
"status": "affected",
"version": "5.5"
},
{
"status": "affected",
"version": "5.5.1"
},
{
"status": "affected",
"version": "5.6"
},
{
"status": "affected",
"version": "5.6.1"
},
{
"status": "affected",
"version": "6.0"
},
{
"status": "affected",
"version": "6.0.1"
},
{
"status": "affected",
"version": "5.6.2"
},
{
"status": "affected",
"version": "6.0.2"
},
{
"status": "affected",
"version": "6.1"
},
{
"status": "affected",
"version": "6.1.1"
},
{
"status": "affected",
"version": "6.1.2"
},
{
"status": "affected",
"version": "6.2"
},
{
"status": "affected",
"version": "6.2.1"
},
{
"status": "affected",
"version": "6.2.2"
},
{
"status": "affected",
"version": "6.3"
},
{
"status": "affected",
"version": "6.3.2"
},
{
"status": "affected",
"version": "2.0"
},
{
"status": "affected",
"version": "2.1"
},
{
"status": "affected",
"version": "2.2"
},
{
"status": "affected",
"version": "3.0"
},
{
"status": "affected",
"version": "3.1"
},
{
"status": "affected",
"version": "3.2"
},
{
"status": "affected",
"version": "3.3"
},
{
"status": "affected",
"version": "3.4"
},
{
"status": "affected",
"version": "3.5"
},
{
"status": "affected",
"version": "3.6"
},
{
"status": "affected",
"version": "3.7"
},
{
"status": "affected",
"version": "3.8"
},
{
"status": "affected",
"version": "3.9"
},
{
"status": "affected",
"version": "3.10"
},
{
"status": "affected",
"version": "3.11"
},
{
"status": "affected",
"version": "3.12"
},
{
"status": "affected",
"version": "3.13"
},
{
"status": "affected",
"version": "3.14"
},
{
"status": "affected",
"version": "3.15"
},
{
"status": "affected",
"version": "3.16"
},
{
"status": "affected",
"version": "3.17"
},
{
"status": "affected",
"version": "3.18"
},
{
"status": "affected",
"version": "3.19"
},
{
"status": "affected",
"version": "3.20"
},
{
"status": "affected",
"version": "3.21"
},
{
"status": "affected",
"version": "3.22"
},
{
"status": "affected",
"version": "3.23"
},
{
"status": "affected",
"version": "3.24"
},
{
"status": "affected",
"version": "3.25"
},
{
"status": "affected",
"version": "3.26"
},
{
"status": "affected",
"version": "3.27"
},
{
"status": "affected",
"version": "3.28"
},
{
"status": "affected",
"version": "3.29"
},
{
"status": "affected",
"version": "3.30"
},
{
"status": "affected",
"version": "3.31"
},
{
"status": "affected",
"version": "3.32"
},
{
"status": "affected",
"version": "3.33"
},
{
"status": "affected",
"version": "3.34"
},
{
"status": "affected",
"version": "3.35"
},
{
"status": "affected",
"version": "3.36"
},
{
"status": "affected",
"version": "4.0"
},
{
"status": "affected",
"version": "4.1"
},
{
"status": "affected",
"version": "4.2"
},
{
"status": "affected",
"version": "4.3"
},
{
"status": "affected",
"version": "4.4"
},
{
"status": "affected",
"version": "4.5"
},
{
"status": "affected",
"version": "4.6"
},
{
"status": "affected",
"version": "4.7"
},
{
"status": "affected",
"version": "4.8"
},
{
"status": "affected",
"version": "4.9"
},
{
"status": "affected",
"version": "4.10"
},
{
"status": "affected",
"version": "4.11"
},
{
"status": "affected",
"version": "4.12"
},
{
"status": "affected",
"version": "4.13"
},
{
"status": "affected",
"version": "4.14"
},
{
"status": "affected",
"version": "4.15"
},
{
"status": "affected",
"version": "4.16"
},
{
"status": "affected",
"version": "4.17"
},
{
"status": "affected",
"version": "4.18"
},
{
"status": "affected",
"version": "4.18.1"
},
{
"status": "affected",
"version": "4.19"
},
{
"status": "affected",
"version": "MV 7.3"
},
{
"status": "affected",
"version": "MV 7.3.1"
},
{
"status": "affected",
"version": "MV 7.3.2"
},
{
"status": "affected",
"version": "MV 7.2.1"
},
{
"status": "affected",
"version": "MV 7.2.2"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Cisco",
"product": "Cisco Meraki MX Firmware",
"versions": [
{
"status": "affected",
"version": "16.2"
},
{
"status": "affected",
"version": "16.3"
},
{
"status": "affected",
"version": "16.4"
},
{
"status": "affected",
"version": "16.5"
},
{
"status": "affected",
"version": "16.6"
},
{
"status": "affected",
"version": "17.3"
},
{
"status": "affected",
"version": "17.6"
},
{
"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",
"version": "MX 26.1.4"
},
{
"status": "affected",
"version": "MX 26.1.5"
},
{
"status": "affected",
"version": "MX 26.1.6"
}
],
"defaultStatus": "unknown"
}
]
}
],
"published": "2026-10-07T17:17:00.043",
"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": "Secondary",
"source": "psirt@cisco.com",
"description": [
{
"lang": "en",
"value": "CWE-682"
}
]
}
],
"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-2026-76470 are related to incorrect calculation issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-682."
}
],
"lastModified": "2026-10-07T19:17:40.830",
"sourceIdentifier": "psirt@cisco.com"
}