CVE-2026-34855
Estado: AnalizadaMedia (5.7)—
Out-of-bounds write vulnerability in the kernel module. Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H
- Puntuación base: 5.7
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.10%
- Percentil entre todas las CVEs puntuadas: 1
- Fecha de la puntuación: 4/10/2026
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).
Tecnologías afectadas (2)
CWE
- CWE-20
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-34855",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-34855",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-04-13T15:00:37.990624Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "psirt@huawei.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.7,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "HIGH",
"privilegesRequired": "HIGH",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.2,
"exploitabilityScore": 0.5
}
]
},
"affected": [
{
"source": "psirt@huawei.com",
"affectedData": [
{
"vendor": "Huawei",
"product": "HarmonyOS",
"versions": [
{
"status": "affected",
"version": "6.0.0"
},
{
"status": "affected",
"version": "5.1.0"
},
{
"status": "affected",
"version": "4.3.1"
},
{
"status": "affected",
"version": "4.3.0"
},
{
"status": "affected",
"version": "4.2.0"
},
{
"status": "affected",
"version": "4.0.0"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "Huawei",
"product": "EMUI",
"versions": [
{
"status": "affected",
"version": "15.0.0"
},
{
"status": "affected",
"version": "14.2.0"
},
{
"status": "affected",
"version": "14.0.0"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-04-13T05:16:03.360",
"references": [
{
"url": "https://consumer.huawei.com/en/support/bulletin/2026/4/",
"tags": [
"Vendor Advisory"
],
"source": "psirt@huawei.com"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "psirt@huawei.com",
"description": [
{
"lang": "en",
"value": "CWE-20"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Out-of-bounds write vulnerability in the kernel module.\nImpact: Successful exploitation of this vulnerability will affect availability and confidentiality."
}
],
"lastModified": "2026-06-17T10:39:44.520",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:huawei:harmonyos:4.0.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8198CDB2-4BC5-411A-8736-615A531FC545"
},
{
"criteria": "cpe:2.3:o:huawei:harmonyos:4.2.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2401DE15-9DBF-4645-A261-8C24D57C6342"
},
{
"criteria": "cpe:2.3:o:huawei:harmonyos:4.3.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "082BBC06-A0B2-481E-BF6F-56180E17ABEF"
},
{
"criteria": "cpe:2.3:o:huawei:harmonyos:4.3.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6EA69843-EC8D-42E2-900E-017D2B502E9E"
},
{
"criteria": "cpe:2.3:o:huawei:harmonyos:5.1.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E39DE6A6-CBE6-4086-93CD-113D1B3BA730"
},
{
"criteria": "cpe:2.3:o:huawei:harmonyos:6.0.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0EBE30DD-E146-4A6A-BE68-DEF9D4D0B2A8"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:huawei:emui:14.0.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "32FBF39A-164F-4F98-AB49-28C50A430C36"
},
{
"criteria": "cpe:2.3:o:huawei:emui:14.2.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4AA76C33-8D23-490B-B620-C24EDCC86A56"
},
{
"criteria": "cpe:2.3:o:huawei:emui:15.0.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "888C5BD7-421B-4A85-8719-BFEE3C215527"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "psirt@huawei.com"
}