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CVE-2026-93495

Estado: Pendiente de análisisAlta (7)—

Improper initialization in an ASUS certain motherboard allows an physically proximate user to read or write arbitrary memory by inserting a specially crafted device. Refer to the '  Security Update for Multiple ASUS Motherboards  ' section on the ASUS Security Advisory for more information.

CVSS

Probabilidad de explotación (EPSS)

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.

Acceso físico a placa base (AV:P) mediante dispositivo especialmente diseñado permite lectura/escritura de memoria arbitraria. T1091 (medios extraíbles) cubre inserción de dispositivo. Impactos: T1005 (exfiltración de datos en memoria) y T1565.001 (modificación de datos).

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

Restrict File and Directory PermissionsRemote Data StorageLimit Hardware InstallationBehavior Prevention on EndpointEncrypt Sensitive InformationDisable or Remove Feature or Program

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-93495",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-93495",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-01T15:56:01.357635Z"
        }
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 7,
          "Automatable": "NOT_DEFINED",
          "attackVector": "PHYSICAL",
          "baseSeverity": "HIGH",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "HIGH",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "HIGH",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1",
      "affectedData": [
        {
          "vendor": "ASUS",
          "product": "Motherboard(PRIME Z390-A )",
          "versions": [
            {
              "status": "affected",
              "version": "through 2101",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "ASUS",
          "product": "Motherboard(PRIME Z390-A/H10 )",
          "versions": [
            {
              "status": "affected",
              "version": "through 2101"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "ASUS",
          "product": "Motherboard(ROG MAXIMUS XI HERO )",
          "versions": [
            {
              "status": "affected",
              "version": "through 2101"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "ASUS",
          "product": "Motherboard(ROG MAXIMUS XI HERO (WI-FI) )",
          "versions": [
            {
              "status": "affected",
              "version": "through 2101"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "ASUS",
          "product": "Motherboard(ROG MAXIMUS XI FORMULA )",
          "versions": [
            {
              "status": "affected",
              "version": "through 2101"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "ASUS",
          "product": "Motherboard(ROG MAXIMUS XI CODE )",
          "versions": [
            {
              "status": "affected",
              "version": "through 2101"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "ASUS",
          "product": "Motherboard(ROG MAXIMUS XI EXTREME )",
          "versions": [
            {
              "status": "affected",
              "version": "through 2101"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "ASUS",
          "product": "Motherboard(ROG MAXIMUS XI APEX )",
          "versions": [
            {
              "status": "affected",
              "version": "through 2101"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "ASUS",
          "product": "Motherboard(ROG MAXIMUS XI GENE )",
          "versions": [
            {
              "status": "affected",
              "version": "through 2101"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "ASUS",
          "product": "Motherboard(ROG STRIX Z390-E GAMING )",
          "versions": [
            {
              "status": "affected",
              "version": "through 2101"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "ASUS",
          "product": "Motherboard(ROG STRIX Z390-F GAMING )",
          "versions": [
            {
              "status": "affected",
              "version": "through 2101"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "ASUS",
          "product": "Motherboard(Pro WS C246-ACE )",
          "versions": [
            {
              "status": "affected",
              "version": "through 2101"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "ASUS",
          "product": "Motherboard(WS Z390 PRO )",
          "versions": [
            {
              "status": "affected",
              "version": "through 1401"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-10-01T02:16:54.150",
  "references": [
    {
      "url": "https://www.asus.com/security-advisory",
      "source": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1",
      "description": [
        {
          "lang": "en",
          "value": "CWE-665"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper initialization in an ASUS certain motherboard allows an physically proximate user to read or write arbitrary memory by inserting a specially crafted device.\nRefer to the ' \nSecurity Update for Multiple ASUS Motherboards  ' section on the ASUS Security Advisory for more information."
    }
  ],
  "lastModified": "2026-10-05T02:16:54.370",
  "sourceIdentifier": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1"
}