CVE-2026-34866

MEDIUM

Huawei HarmonyOS < 6.0.0 - Out-of-Bounds Access

Title source: rule

Description

Out-of-bounds write vulnerability in the WEB module.Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.

References (1)

https://consumer.huawei.com/en/support/bulletinwearables/2026/4/

Scores

CVSS v3 5.1

EPSS 0.0001

EPSS Percentile 0.8%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-120

Status published

Products (2)

huawei/harmonyos 6.0.0

Huawei/HarmonyOS 6.0.0

Published Apr 13, 2026

Tracked Since Apr 13, 2026