CVE-2026-34856

{"id": "CVE-2026-34856", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "psirt@huawei.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.3, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 4.7, "exploitabilityScore": 2.5}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2026-04-13T04:16:12.437", "references": [{"url": "https://consumer.huawei.com/en/support/bulletin/2026/4/", "tags": ["Vendor Advisory"], "source": "psirt@huawei.com"}, {"url": "https://consumer.huawei.com/en/support/bulletinwearables/2026/4/", "tags": ["Vendor Advisory"], "source": "psirt@huawei.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "psirt@huawei.com", "description": [{"lang": "en", "value": "CWE-362"}]}], "descriptions": [{"lang": "en", "value": "UAF vulnerability in the communication module.\nImpact: Successful exploitation of this vulnerability may affect availability."}], "lastModified": "2026-04-16T04:47:27.467", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:huawei:harmonyos:6.0.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0EBE30DD-E146-4A6A-BE68-DEF9D4D0B2A8"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@huawei.com"}