CVE-2026-34866 MEDIUM

CVE-2026-34866

Vendor Huawei

Product HarmonyOS

Weakness CWE-120

Published April 13, 2026

Last update April 13, 2026

View on NVD All CVEs

CVSS base score

5.1/10

Attack vector Local

Attack complexity Low

Privileges required None

User interaction None

Confidentiality None

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

April 13, 2026 CVE published

April 13, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-34866 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/120.html