CVE-2026-34858: Race Condition
Published Apr 13, 2026
·Updated
UAF vulnerability in the communication module. Impact: Successful exploitation of this vulnerability may affect availability.
Affected Software
3 affected components
Huawei Harmonyos=5.1.0
Huawei Harmonyos=5.1.1
Huawei Harmonyos=6.0.0
Event History
Apr 13, 2026
CVE Published
via MITRE·04:06 AM
Data Sourced
via MITRE·04:06 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:16 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-34858?
CVE-2026-34858 is classified as a critical vulnerability due to its potential impact on system availability.
2
How do I fix CVE-2026-34858?
To mitigate CVE-2026-34858, update your Huawei HarmonyOS devices to the latest available version.
3
Which versions of Huawei HarmonyOS are affected by CVE-2026-34858?
CVE-2026-34858 affects Huawei HarmonyOS versions 5.1.0, 5.1.1, and 6.0.0.
4
What is the impact of a successful exploitation of CVE-2026-34858?
Successful exploitation of CVE-2026-34858 may lead to denial of service and impact the availability of affected systems.
5
Is there a workaround for CVE-2026-34858?
Currently, updating to a patched version is the recommended approach to address CVE-2026-34858 as no known workarounds exist.