CVE-2026-34853: CWE-270 Privilege context switching error in Huawei HarmonyOS
Permission bypass vulnerability in the LBS module. Impact: Successful exploitation of this vulnerability may affect availability.
AI Analysis
Technical Summary
This vulnerability in Huawei HarmonyOS affects the LBS module due to a privilege context switching error (CWE-270), allowing permission bypass. The affected versions include 4.0.0, 4.2.0, 4.3.0, and 4.3.1. The CVSS 3.1 vector indicates the attack requires local access with low complexity, high privileges, and user interaction, and it impacts confidentiality, integrity, and availability with high severity. The vendor has not published any patch or remediation details, and no known exploits are reported.
Potential Impact
Exploitation of this vulnerability can lead to permission bypass in the LBS module, potentially affecting system availability. The CVSS score of 7.7 reflects a high impact on confidentiality, integrity, and availability. However, there are no reports of active exploitation in the wild at this time.
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 affected devices and monitor for unusual activity related to the LBS module. Avoid granting unnecessary high privileges to applications interacting with LBS.
CVE-2026-34853: CWE-270 Privilege context switching error in Huawei HarmonyOS
Description
Permission bypass vulnerability in the LBS module. Impact: Successful exploitation of this vulnerability may affect availability.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Huawei HarmonyOS affects the LBS module due to a privilege context switching error (CWE-270), allowing permission bypass. The affected versions include 4.0.0, 4.2.0, 4.3.0, and 4.3.1. The CVSS 3.1 vector indicates the attack requires local access with low complexity, high privileges, and user interaction, and it impacts confidentiality, integrity, and availability with high severity. The vendor has not published any patch or remediation details, and no known exploits are reported.
Potential Impact
Exploitation of this vulnerability can lead to permission bypass in the LBS module, potentially affecting system availability. The CVSS score of 7.7 reflects a high impact on confidentiality, integrity, and availability. However, there are no reports of active exploitation in the wild at this time.
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 affected devices and monitor for unusual activity related to the LBS module. Avoid granting unnecessary high privileges to applications interacting with LBS.
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: 69dc6aaf82d89c981fecb075
Added to database: 4/13/2026, 4:01:51 AM
Last enriched: 4/13/2026, 4:17:10 AM
Last updated: 4/14/2026, 9:46:01 AM
Views: 30
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