CVE-2026-34856: CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Huawei HarmonyOS
UAF vulnerability in the communication module. Impact: Successful exploitation of this vulnerability may affect availability.
AI Analysis
Technical Summary
This vulnerability in Huawei HarmonyOS 6.0.0 is classified as CWE-362, a race condition caused by concurrent execution using shared resources without proper synchronization. Specifically, it is a use-after-free flaw in the communication module that can lead to availability issues if exploited. The CVSS 3.1 vector indicates local attack vector, low attack complexity, no privileges or user interaction required, and impacts confidentiality, integrity, and availability with the highest impact on availability.
Potential Impact
Exploitation of this vulnerability may lead to denial of service or other availability impacts on affected devices running HarmonyOS 6.0.0. Confidentiality and integrity impacts are rated low, but availability impact is high. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary mitigation has been announced by Huawei. Users and administrators should monitor Huawei's advisories for updates and apply patches once available.
CVE-2026-34856: CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Huawei HarmonyOS
Description
UAF vulnerability in the communication module. Impact: Successful exploitation of this vulnerability may affect availability.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Huawei HarmonyOS 6.0.0 is classified as CWE-362, a race condition caused by concurrent execution using shared resources without proper synchronization. Specifically, it is a use-after-free flaw in the communication module that can lead to availability issues if exploited. The CVSS 3.1 vector indicates local attack vector, low attack complexity, no privileges or user interaction required, and impacts confidentiality, integrity, and availability with the highest impact on availability.
Potential Impact
Exploitation of this vulnerability may lead to denial of service or other availability impacts on affected devices running HarmonyOS 6.0.0. Confidentiality and integrity impacts are rated low, but availability impact is high. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary mitigation has been announced by Huawei. Users and administrators should monitor Huawei's advisories for updates and apply patches once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- huawei
- Date Reserved
- 2026-03-31T01:11:13.701Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69dc6aaf82d89c981fecb079
Added to database: 4/13/2026, 4:01:51 AM
Last enriched: 4/13/2026, 4:17:05 AM
Last updated: 4/14/2026, 10:08:53 AM
Views: 23
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