CVE-2026-34857: 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·04:05 AM
Data Sourced
via MITRE·04:05 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:16 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-34857?
CVE-2026-34857 is classified as a medium severity vulnerability.
2
How do I fix CVE-2026-34857?
To fix CVE-2026-34857, update your Huawei HarmonyOS to version 5.1.2 or later.
3
What systems are affected by CVE-2026-34857?
CVE-2026-34857 affects Huawei HarmonyOS versions 5.1.0, 5.1.1, and 6.0.0.
4
What is a UAF vulnerability in the context of CVE-2026-34857?
A UAF (Use After Free) vulnerability allows an attacker to exploit an application by executing actions on freed memory.
5
What are the potential impacts of CVE-2026-34857?
Successful exploitation of CVE-2026-34857 could lead to service disruptions affecting system availability.