CVE-2026-34858: 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 (CVE-2026-34858) in Huawei HarmonyOS arises from a race condition (CWE-362) in the communication module, leading to a use-after-free condition. Improper synchronization when concurrently accessing shared resources can cause this flaw. The impact is limited to availability, with no confidentiality or integrity effects reported. The affected versions are 5.1.0 and 6.0.0. The CVSS vector indicates that the attack requires local access with high complexity and high privileges, without user interaction. No vendor advisory or patch information is currently available.
Potential Impact
Exploitation of this vulnerability may cause denial of service or system instability affecting availability on affected HarmonyOS versions. There is no impact on confidentiality or integrity. The attack requires local access with high privileges and is complex to execute, reducing the likelihood of widespread exploitation. No known exploits are currently reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit local access to trusted users with high privileges to reduce risk. Monitor Huawei's official security advisories for updates on patches or mitigations.
CVE-2026-34858: 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 (CVE-2026-34858) in Huawei HarmonyOS arises from a race condition (CWE-362) in the communication module, leading to a use-after-free condition. Improper synchronization when concurrently accessing shared resources can cause this flaw. The impact is limited to availability, with no confidentiality or integrity effects reported. The affected versions are 5.1.0 and 6.0.0. The CVSS vector indicates that the attack requires local access with high complexity and high privileges, without user interaction. No vendor advisory or patch information is currently available.
Potential Impact
Exploitation of this vulnerability may cause denial of service or system instability affecting availability on affected HarmonyOS versions. There is no impact on confidentiality or integrity. The attack requires local access with high privileges and is complex to execute, reducing the likelihood of widespread exploitation. No known exploits are currently reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit local access to trusted users with high privileges to reduce risk. Monitor Huawei's official security advisories for updates on patches or mitigations.
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: 69dc7c4782d89c981f24c26b
Added to database: 4/13/2026, 5:16:55 AM
Last enriched: 4/13/2026, 5:32:57 AM
Last updated: 4/14/2026, 10:34:31 AM
Views: 10
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