CVE-2026-34863

EUVD-2026-21844
Out-of-bounds write vulnerability in the file system.
Impact: Successful exploitation of this vulnerability may affect availability.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.7 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
huaweiharmonyos
5.1.0
huaweiharmonyos
6.0.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://consumer.huawei.com/en/support/bulletin/2026/4/