CVE-2026-34859

{
  "id": "CVE-2026-34859",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-13T05:16:03.810",
  "lastModified": "2026-10-26T21:10:00.170",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "UAF vulnerability in the kernel module.\nImpact: Successful exploitation of this vulnerability will affect availability and confidentiality."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad UAF en el módulo del kernel.\nImpacto: La explotación exitosa de esta vulnerabilidad afectará la disponibilidad y la confidencialidad."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Huawei",
          "product": "HarmonyOS",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4.3.0",
              "status": "affected"
            },
            {
              "version": "4.2.0",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Huawei",
          "product": "EMUI",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "15.0.0",
              "status": "affected"
            },
            {
              "version": "14.2.0",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
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      {
        "source": "[email protected]",
        "type": "Secondary",
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          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "LOW"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 3.4
      },
      {
        "source": "[email protected]",
        "type": "Primary",
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          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.2
      }
    ],
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-04-13T13:27:38.779665Z",
          "id": "CVE-2026-34859",
          "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-416"
        }
      ]
    }
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  "references": [
    {
      "url": "https://consumer.huawei.com/en/support/bulletin/2026/4/",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://consumer.huawei.com/en/support/bulletinvision/2026/4/",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
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    }
  ]
}