# CVE-2026-34853: Huawei HarmonyOS and EMUI permission bypass in LBS module

Source: https://junglewise.ai/threats/cve-2026-34853-huawei-harmonyos-and-emui-permission-bypass-in-lbs-module  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-13. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2026-34853 · Severity: high · CVSS 7.7 · Published 2026-04-13

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.

## Quick answers

**Is CVE-2026-34853 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-34853 being exploited in the wild.

**How severe is CVE-2026-34853?** High severity, with a CVSS score of 7.7, published 13 April 2026.

**Which products and versions are affected?** 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.

**Is there a fix for CVE-2026-34853?** A patch was published on 2026-04-08: Huawei released security bulletin updates. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-34853 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2026-34853?** Check whether anything you run is named in the advisory. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## 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.

## References

- [https://consumer.huawei.com/en/support/bulletin/2026/4/](https://consumer.huawei.com/en/support/bulletin/2026/4/)
- [https://consumer.huawei.com/en/support/bulletinvision/2026/4/](https://consumer.huawei.com/en/support/bulletinvision/2026/4/)