CVE-2026-34851
Race Condition in Event Notification Module Affecting Availability
Publication date: 2026-04-13
Last updated on: 2026-04-16
Assigner: Huawei Technologies
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| huawei | harmonyos | 5.1.0 |
| huawei | harmonyos | 6.0.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-362 | The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently. |
Attack-Flow Graph
AI Powered Q&A
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The vulnerability is a race condition in the event notification module that may impact system availability.
There is no information provided about how this vulnerability affects compliance with common standards and regulations such as GDPR or HIPAA.
Can you explain this vulnerability to me?
CVE-2026-34851 is a race condition vulnerability located in the event notification module of Huawei devices running HarmonyOS versions 5.1.0 and 6.0.0.
A race condition occurs when multiple processes or threads access shared resources concurrently, leading to unexpected behavior or system instability.
How can this vulnerability impact me? :
Successful exploitation of this vulnerability may impact the availability of the affected system.
This means that attackers could potentially cause system disruptions or denial of service, affecting the normal operation of Huawei devices running the affected HarmonyOS versions.
What immediate steps should I take to mitigate this vulnerability?
To mitigate the CVE-2026-34851 vulnerability, you should apply the security updates provided by Huawei for HarmonyOS versions 5.1.0 and 6.0.0.
The security bulletin released in April 2026 includes patches addressing this race condition vulnerability in the event notification module.
Ensuring your devices are updated to the latest patched versions of HarmonyOS will reduce the risk of exploitation and improve system availability.