CVE-2026-34863

{"id": "CVE-2026-34863", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "psirt@huawei.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2026-04-13T05:16:04.250", "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-787"}]}], "descriptions": [{"lang": "en", "value": "Out-of-bounds write vulnerability in the file system.\nImpact: Successful exploitation of this vulnerability may affect availability."}], "lastModified": "2026-04-15T20:03:04.323", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"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"}]}], "sourceIdentifier": "psirt@huawei.com"}