# CVE-2026-58556: Huawei HarmonyOS and EMUI permission control vulnerability in Bluetooth module

Source: https://junglewise.ai/threats/cve-2026-58556-huawei-harmonyos-and-emui-permission-control-vulnerability-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-15. Updated: 2026-07-15  
License: CC BY 4.0 with a link back

CVE-2026-58556 · Severity: medium · CVSS 5.1 · Published 2026-07-15

A security flaw exists in the Bluetooth module of Huawei smartphones and tablets. This vulnerability could allow an unauthorized user or malicious application to interfere with Bluetooth functionality, potentially causing the service to become unavailable. This may disrupt the use of wireless accessories like headphones, watches, or file-sharing features.

Technologies: [Huawei Emui](https://junglewise.ai/threats/technologies/emui), [Huawei Harmonyos](https://junglewise.ai/threats/technologies/harmonyos). Vendors: [Huawei](https://junglewise.ai/threats/vendors/huawei).

## Quick answers

**Is CVE-2026-58556 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-58556 being exploited in the wild.

**How severe is CVE-2026-58556?** Medium severity, with a CVSS score of 5.1, published 15 July 2026.

**Which products and versions are affected?** Huawei Emui 14.0.0, 14.2.0, 15.0.0; Huawei Harmonyos 4.0.0, 4.2.0, 4.3.0, 4.3.1.

**Is there a fix for CVE-2026-58556?** A patch was published on 2026-07-08: Huawei released the security bulletin containing the fix. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-58556 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2026-58556?** Check whether you run Huawei Emui or Huawei Harmonyos at an affected version. 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 control vulnerability (CWE-264) exists within the Bluetooth module of Huawei's HarmonyOS and EMUI operating systems. The flaw is characterized by improper enforcement of access rights, which can be exploited locally without requiring specific user privileges or interaction. Successful exploitation allows an attacker to impact the availability of Bluetooth services and potentially gain limited access to information. The vulnerability affects HarmonyOS versions 4.0.0 through 4.3.1 and EMUI versions 14.0.0 through 15.0.0. Huawei has addressed this issue in their July 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

- 2026-07-08: patched: Huawei released the security bulletin containing the fix.
- 2026-07-15: disclosed: NVD published the CVE details.

## References

- [https://consumer.huawei.com/en/support/bulletin/2026/7/](https://consumer.huawei.com/en/support/bulletin/2026/7/)

## Related threats

- [Huawei HarmonyOS/EMUI Bluetooth permission control vulnerability](https://junglewise.ai/threats/cve-2026-101184-permission-control-vulnerability-in-the-bluetooth-module-impact)
- [Huawei HarmonyOS autofill service permission control bypass](https://junglewise.ai/threats/cve-2026-101178-permission-control-vulnerability-in-the-autofill-service-module)
- [Huawei HarmonyOS DoS vulnerability in window module](https://junglewise.ai/threats/cve-2026-101186-dos-vulnerability-in-the-window-module-impact-successful)
- [Huawei HarmonyOS peripheral module out-of-bounds read](https://junglewise.ai/threats/cve-2026-101185-oob-read-vulnerability-in-the-peripheral-module-impact)
- [Huawei HarmonyOS use-after-free in location service module](https://junglewise.ai/threats/cve-2026-101183-uaf-vulnerability-in-the-location-service-module-impact)