CVE-2026-49303: CWE-264 Permissions, Privileges, and Access Controls in Huawei HarmonyOS
Permission control vulnerability in the notification module. Impact: Successful exploitation of this vulnerability may affect availability.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-49303) in Huawei HarmonyOS involves improper permission controls within the notification module, classified under CWE-264 (Permissions, Privileges, and Access Controls). Successful exploitation can lead to an impact on system availability, though confidentiality is not affected and integrity impact is limited. The CVSS 3.1 vector indicates local attack vector with low attack complexity, no privileges required, and no user interaction needed. The affected versions explicitly include 4.0.0, 4.2.0, 4.3.0, and 4.3.1. No vendor advisory or patch information is currently available.
Potential Impact
The vulnerability may affect the availability of the affected HarmonyOS systems, potentially causing denial of service or disruption in notification functionality. There is no impact on confidentiality and only limited impact on integrity according to the CVSS vector. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor vendor communications for updates. No specific mitigation steps are provided by the vendor at this time.
CVE-2026-49303: CWE-264 Permissions, Privileges, and Access Controls in Huawei HarmonyOS
Description
Permission control vulnerability in the notification module. Impact: Successful exploitation of this vulnerability may affect availability.
CVSS v3.1
Score 5.1medium
Affected software
pkg:github/huawei/harmonyosRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-49303) in Huawei HarmonyOS involves improper permission controls within the notification module, classified under CWE-264 (Permissions, Privileges, and Access Controls). Successful exploitation can lead to an impact on system availability, though confidentiality is not affected and integrity impact is limited. The CVSS 3.1 vector indicates local attack vector with low attack complexity, no privileges required, and no user interaction needed. The affected versions explicitly include 4.0.0, 4.2.0, 4.3.0, and 4.3.1. No vendor advisory or patch information is currently available.
Potential Impact
The vulnerability may affect the availability of the affected HarmonyOS systems, potentially causing denial of service or disruption in notification functionality. There is no impact on confidentiality and only limited impact on integrity according to the CVSS vector. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor vendor communications for updates. No specific mitigation steps are provided by the vendor at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- huawei
- Date Reserved
- 2026-05-29T03:16:14.062Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a82d167bf8831d5399901b9
Added to database: 08/17/2026, 09:16:23 UTC
Last enriched: 08/17/2026, 09:28:58 UTC
Last updated: 08/18/2026, 11:33:08 UTC
Views: 15
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