CVE-2026-34851
Received Received - Intake
Race Condition in Event Notification Module Affecting Availability

Publication date: 2026-04-13

Last updated on: 2026-04-16

Assigner: Huawei Technologies

Description
Race condition vulnerability in the event notification module. Impact: Successful exploitation of this vulnerability may affect availability.
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Meta Information
Published
2026-04-13
Last Modified
2026-04-16
Generated
2026-06-16
AI Q&A
2026-04-13
EPSS Evaluated
2026-06-15
NVD
CVE-2026-34851
EUVD
EUVD-2026-21794
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
huawei harmonyos 5.1.0
huawei harmonyos 6.0.0
Helpful Resources
Exploitability
CWE
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KEV
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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.
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Executive Summary

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.

Compliance Impact

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.

Impact Analysis

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.

Mitigation Strategies

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.

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