CVE-2026-34865 — CRITICAL (9.1)

Vulnerability Description

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

CVSS Score

9.1

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Huawei	Harmonyos	6.0.0

Related Weaknesses (CWE)

CWE-122

References

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

FAQ

What is CVE-2026-34865?

CVE-2026-34865 is a vulnerability with a CVSS score of 9.1 (CRITICAL). Out-of-bounds write vulnerability in the WEB module.Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.

How severe is CVE-2026-34865?

CVE-2026-34865 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-34865?

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