CVE-2026-49314: CWE-125 Out-of-bounds read in Huawei HarmonyOS
Description
OOB write vulnerability in the rendering and composition module. Impact: Successful exploitation of this vulnerability may affect availability.
CVSS v3.1
7.3high
Affected software
Huawei
HarmonyOS
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-125) involves an out-of-bounds read in the rendering and composition module of Huawei HarmonyOS. Successful exploitation can lead to partial loss of confidentiality and availability. The CVSS 3.1 base score is 7.3, reflecting local attack vector with low complexity, no privileges required, and no user interaction needed. The vulnerability affects exactly version 6.1.0 of HarmonyOS. There is no vendor advisory or patch information available at this time.
Potential Impact
Exploitation may result in unauthorized disclosure of information (confidentiality impact: high), partial integrity loss (integrity impact: low), and partial loss of availability (availability impact: low). The vulnerability could disrupt normal system operation due to out-of-bounds memory access in a critical module.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, no specific mitigation steps are provided by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- huawei
- Date Reserved
- 05/29/2026
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa0d486acd9273b49a86666
Added to database: 09/09/2026, 03:37:42 UTC
Last enriched: 09/09/2026, 03:52:04 UTC
Last updated: 10/24/2026, 08:45:11 UTC
Views: 121
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