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CVE-2026-34849: CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Huawei HarmonyOS

0
Low
VulnerabilityCVE-2026-34849cvecve-2026-34849cwe-362
Published: Mon Apr 13 2026 (04/13/2026, 03:58:17 UTC)
Source: CVE Database V5
Vendor/Project: Huawei
Product: HarmonyOS

Description

CVE-2026-34849 is a use-after-free (UAF) vulnerability in the screen management module of Huawei HarmonyOS versions 5. 1. 0 and 6. 0. 0. It is classified as a race condition (CWE-362) caused by improper synchronization during concurrent execution using shared resources. The vulnerability may impact system availability if successfully exploited. The CVSS v3. 1 base score is 2. 5, indicating low severity.

CVSS v3.1

Score 2.5low

Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 04/20/2026, 06:22:02 UTC

Technical Analysis

This vulnerability involves a use-after-free condition in the screen management module of Huawei HarmonyOS, resulting from a race condition due to improper synchronization of shared resources. It affects versions 5.1.0 and 6.0.0. The issue could lead to reduced availability of the affected system. The CVSS score of 2.5 reflects low impact, with no confidentiality or integrity loss, and requires local attack vector with high attack complexity and user interaction.

Potential Impact

Successful exploitation may affect system availability, potentially causing crashes or denial of service in the screen management module. There is no impact on confidentiality or integrity reported. The low CVSS score and lack of known exploits suggest limited immediate risk.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or temporary workaround is documented, users should monitor Huawei's advisories for updates. Given the low severity and local attack vector requiring user interaction, immediate urgent action is not indicated.

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Technical Details

Data Version
5.2
Assigner Short Name
huawei
Date Reserved
2026-03-31T01:11:13.700Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null

Threat ID: 69dc7c4582d89c981f24c1cd

Added to database: 4/13/2026, 5:16:53 AM

Last enriched: 4/20/2026, 6:22:02 AM

Last updated: 5/27/2026, 8:15:43 PM

Views: 58

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