Executive brief
A security vulnerability has been identified in the Location-Based Services (LBS) module of Huawei mobile devices and smart screens. This component is responsible for handling geographic positioning and location data for applications. If exploited, this flaw could allow an attacker to bypass security permissions, potentially leading to service disruptions or unauthorized access to system resources.
Technical details
A permission bypass vulnerability exists in the Huawei LBS (Location-Based Services) module, classified as a Privilege Context Switching Error (CWE-270). The vulnerability allows an attacker to circumvent established permission controls within the module. According to the vendor's CVSS vector, exploitation requires high privileges and user interaction, but it can lead to a scope change affecting the confidentiality, integrity, and availability of the system. The issue affects multiple versions of HarmonyOS and EMUI. Patches were released as part of the April 2026 security update.
Affected products
- Huawei HarmonyOS 4.0.0, 4.2.0, 4.3.0, 4.3.1
- Huawei EMUI 14.0.0, 14.2.0, 15.0.0
Timeline
- 2026-04-08: patched: Huawei released security bulletin updates.
- 2026-04-13: disclosed: Initial NVD publication date.