# CVE-2026-101176: Huawei HarmonyOS permission control vulnerability in event notification module

Source: https://junglewise.ai/threats/cve-2026-101176-permission-control-vulnerability-in-the-event-notification  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-02. Updated: 2026-11-02  
License: CC BY 4.0 with a link back

CVE-2026-101176 · Severity: high · CVSS 7.1 · Published 2026-11-02

HarmonyOS, the operating system used in Huawei devices including phones and tablets, contains a permission control flaw in its event notification management module that allows attackers to bypass security restrictions. Successful exploitation could expose sensitive service data or allow unauthorized applications to access notifications without proper permission checks.

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-2026-101176 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-101176 being exploited in the wild.

**How severe is CVE-2026-101176?** High severity, with a CVSS score of 7.1, published 2 November 2026.

**Which products and versions are affected?** Huawei Emui 14.0.0, 14.2.0, 15.0.0, 16.0.0; Huawei Harmonyos 4.0.0, 4.2.0, 4.3.0, 4.3.1, 4.3.3.

**Is there a fix for CVE-2026-101176?** 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-2026-101176 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2026-101176?** 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 HarmonyOS's event notification management module, allowing unauthorized access due to improper enforcement of permission restrictions. This affects multiple versions of HarmonyOS and EMUI, and exploitation does not require user interaction. The vulnerability results in potential information disclosure of service confidentiality.

## Affected products

- Huawei HarmonyOS 4.0.0, 4.2.0, 4.3.0, 4.3.1, 4.3.3
- Huawei EMUI 14.0.0, 14.2.0, 15.0.0, 16.0.0

## Timeline

- 2026-10-02: disclosed: Published in Huawei security bulletin

## References

- [https://consumer.huawei.com/en/support/bulletin/2026/10/](https://consumer.huawei.com/en/support/bulletin/2026/10/)
- [https://consumer.huawei.com/en/support/bulletinvision/2026/10/](https://consumer.huawei.com/en/support/bulletinvision/2026/10/)

## 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)