CVE-2026-34863

MEDIUM

HarmonyOS - Out-of-bounds Write in File System

Title source: llm
STIX 2.1

Description

Out-of-bounds write vulnerability in the file system. Impact: Successful exploitation of this vulnerability may affect availability.

References (1)

Core 1

Scores

CVSS v3 6.7
EPSS 0.0008
EPSS Percentile 0.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-787
Status published
Products (4)
huawei/harmonyos 5.1.0
huawei/harmonyos 6.0.0
Huawei/HarmonyOS 5.1.0
Huawei/HarmonyOS 6.0.0
Published Apr 13, 2026
Tracked Since Apr 13, 2026