CVE-2026-34859 — MEDIUM (5.9)

Vulnerability Description

UAF vulnerability in the kernel module. Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.

CVSS Score

5.9

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Huawei	Harmonyos	4.2.0
Huawei	Emui	14.2.0

Related Weaknesses (CWE)

CWE-416

References

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

FAQ

What is CVE-2026-34859?

CVE-2026-34859 is a vulnerability with a CVSS score of 5.9 (MEDIUM). UAF vulnerability in the kernel module. Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.

How severe is CVE-2026-34859?

CVE-2026-34859 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-34859?

Check the references section above for vendor advisories and patch information. Affected products include: Huawei Harmonyos, Huawei Emui.