CVE-2026-34855: Input Validation

Published Apr 13, 2026
·
Updated

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

Affected Software

9 affected components
Huawei Harmonyos=4.0.0
Huawei Harmonyos=4.2.0
Huawei Harmonyos=4.3.0
Huawei Harmonyos=4.3.1
Huawei Harmonyos=5.1.0
Huawei Harmonyos=6.0.0
Huawei Emui=14.0.0
Huawei Emui=14.2.0
Huawei Emui=15.0.0

Event History

Apr 13, 2026
CVE Published
via MITRE·04:03 AM
Data Sourced
via MITRE·04:03 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:16 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-34855?

CVE-2026-34855 is considered a critical vulnerability due to its potential impact on availability and confidentiality.

2

How do I fix CVE-2026-34855?

To fix CVE-2026-34855, update your Huawei HarmonyOS or EMUI to the latest patched version as recommended by Huawei.

3

Which versions are affected by CVE-2026-34855?

CVE-2026-34855 affects Huawei HarmonyOS versions 4.0.0, 4.2.0, 4.3.0, 4.3.1, 5.1.0, 6.0.0 and EMUI versions 14.0.0, 14.2.0, and 15.0.0.

4

What are the potential risks of CVE-2026-34855?

The potential risks of CVE-2026-34855 include unauthorized access to sensitive information and disruption of system services.

5

Is CVE-2026-34855 being actively exploited?

As of now, there have been reports indicating that CVE-2026-34855 is being actively exploited in the wild, making immediate remediation critical.

Contact

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