# CVE-2026-41973: Huawei HarmonyOS and EMUI permission control vulnerability in calls

Source: https://junglewise.ai/threats/cve-2026-41973-huawei-harmonyos-and-emui-permission-control-vulnerability-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-06-09. Updated: 2026-06-09  
License: CC BY 4.0 with a link back

CVE-2026-41973 · Severity: medium · CVSS 5.9 · Published 2026-06-09

A security flaw has been identified in the calling functionality of Huawei mobile devices. This vulnerability could allow an unauthorized party to interfere with the phone's ability to handle calls, potentially leading to service disruptions. This impact on availability could prevent users from making or receiving important communications.

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-2026-41973 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-41973 being exploited in the wild.

**How severe is CVE-2026-41973?** Medium severity, with a CVSS score of 5.9, published 9 June 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-2026-41973?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-41973 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2026-41973?** 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 exists in the 'calls' component of Huawei's HarmonyOS and EMUI. Categorized as a business logic error (CWE-840), the flaw allows for improper enforcement of access controls. An attacker with local access could exploit this to impact the availability, confidentiality, or integrity of the calling service. The vulnerability is addressed in the June 2026 security update for affected flagship models.

## 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

- 2026-06-05: advisory: Huawei published the security bulletin.
- 2026-06-09: disclosed: NVD published the CVE record.

## References

- [https://consumer.huawei.com/en/support/bulletin/2026/6/](https://consumer.huawei.com/en/support/bulletin/2026/6/)

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- [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)