CVE-2026-49310

Estado: AplazadaAlta (8.6)—

Permission control vulnerability in the event notification module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Puntuación base: 8.6

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.45%
Percentil entre todas las CVEs puntuadas: 37
Fecha de la puntuación: 6/10/2026

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.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access60 %
Impacto principalT1499 Endpoint Denial of Serviceimpact55 %

Inferido por reglas deterministas a partir del vector CVSS y la CWE. Solo orientativo.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Filter Network Traffic Vulnerability Scanning Privileged Account Management Network Segmentation Limit Access to Resource Over Network Application Isolation and Sandboxing

CWE

CWE-264

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2026-49310",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-49310",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-09T15:55:47.314518Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@huawei.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8.6,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@huawei.com",
      "affectedData": [
        {
          "vendor": "Huawei",
          "product": "HarmonyOS",
          "versions": [
            {
              "status": "affected",
              "version": "6.1.0"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-09-09T04:17:58.680",
  "references": [
    {
      "url": "https://consumer.huawei.com/en/support/bulletin/2026/9/",
      "source": "psirt@huawei.com"
    },
    {
      "url": "https://consumer.huawei.com/en/support/bulletinlaptops/2026/9/",
      "source": "psirt@huawei.com"
    },
    {
      "url": "https://consumer.huawei.com/en/support/bulletinvision/2026/9/",
      "source": "psirt@huawei.com"
    },
    {
      "url": "https://consumer.huawei.com/en/support/bulletinwearables/2026/9/",
      "source": "psirt@huawei.com"
    }
  ],
  "vulnStatus": "Deferred",
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      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Permission control vulnerability in the event notification module.\nImpact: Successful exploitation of this vulnerability may affect service confidentiality."
    }
  ],
  "lastModified": "2026-09-09T21:17:02.313",
  "sourceIdentifier": "psirt@huawei.com"
}