CVE-2026-34855 PUBLISHED

Assigner: huawei
Reserved: 31.03.2026 Published: 13.04.2026 Updated: 13.04.2026

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

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H
CVSS Score: 5.7

Attack Vector	Local	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	High	Integrity Impact	None
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Huawei
Product	HarmonyOS
Versions	Default: unaffected Version 6.0.0 is affected Version 5.1.0 is affected Version 4.3.1 is affected Version 4.3.0 is affected Version 4.2.0 is affected Version 4.0.0 is affected

Vendor	Huawei
Product	EMUI
Versions	Default: unaffected Version 15.0.0 is affected Version 14.2.0 is affected Version 14.0.0 is affected

References

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

Problem Types

CWE-20 Improper input validation CWE