CVE-2026-34849: CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Huawei HarmonyOS
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.
AI Analysis
Technical Summary
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.
CVE-2026-34849: CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Huawei 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
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
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.
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
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.