CVE-2026-20518

{
  "id": "CVE-2026-20518",
  "sourceIdentifier": "[email protected]",
  "published": "2026-09-07T02:17:20.583",
  "lastModified": "2026-11-02T17:17:40.520",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In geniezone, there is a possible information disclosure due to a missing bounds check. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is needed for exploitation. Patch ID: ALPS10867524 / ALPS10876355; Issue ID: MSV-6674."
    },
    {
      "lang": "es",
      "value": "En geniezone, existe una posible revelación de información debido a una comprobación de límites faltante. Esto podría llevar a una revelación de información local si un actor malintencionado ya ha obtenido el privilegio de Sistema. Se requiere interacción del usuario para su explotación. ID del parche: ALPS10867524 / ALPS10876355; ID del problema: MSV-6674."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "MediaTek, Inc.",
          "product": "MediaTek chipset",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "MT6991",
              "status": "affected"
            },
            {
              "version": "MT8755",
              "status": "affected"
            },
            {
              "version": "MT8768",
              "status": "affected"
            },
            {
              "version": "MT8771",
              "status": "affected"
            },
            {
              "version": "MT8775",
              "status": "affected"
            },
            {
              "version": "MT8781",
              "status": "affected"
            },
            {
              "version": "MT8791T",
              "status": "affected"
            },
            {
              "version": "MT8792",
              "status": "affected"
            },
            {
              "version": "MT8793",
              "status": "affected"
            },
            {
              "version": "MT8796",
              "status": "affected"
            },
            {
              "version": "MT8797",
              "status": "affected"
            },
            {
              "version": "MT8798",
              "status": "affected"
            },
            {
              "version": "MT8799",
              "status": "affected"
            },
            {
              "version": "MT8873",
              "status": "affected"
            },
            {
              "version": "MT8883",
              "status": "affected"
            },
            {
              "version": "MT8893",
              "status": "affected"
            },
            {
              "version": "MT8910",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N",
          "baseScore": 4.2,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 0.6,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-09-07T10:21:01.075799Z",
          "id": "CVE-2026-20518",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.mediatek.com/product-security-bulletin/September-2026",
      "source": "[email protected]"
    }
  ]
}