CVE-2026-49310: Huawei HarmonyOS permission control vulnerability in event notification module

CVE-2026-49310 · Severity: high · CVSS 8.6 · Published 2026-09-09

HarmonyOS is the operating system powering Huawei phones, tablets, and PCs. A permission control flaw in the event notification module allows unauthorized access to sensitive notification data, potentially exposing user information. An attacker with local access could bypass security controls to read confidential service data without proper authorization.

Technologies: Huawei Harmonyos. Vendors: Huawei.

Quick answers

Is CVE-2026-49310 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-49310 being exploited in the wild.
How severe is CVE-2026-49310?
High severity, with a CVSS score of 8.6, published 9 September 2026.
Which products and versions are affected?
Huawei Harmonyos 6.1.0.
Is there a fix for CVE-2026-49310?
A patch was published on 2026-09-05: Security update released Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-49310 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2026-49310?
Check whether you run 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

This is a permission control vulnerability (improper access control) in the event notification module of HarmonyOS. The vulnerability allows an attacker with local access to bypass permission checks and access sensitive notification data, affecting service confidentiality. The flaw resides in the notification handling component which fails to properly validate user permissions before exposing event data. Exploitation requires local access to the device and does not require user interaction. The vulnerability affects HarmonyOS 6.1.0, and patches are available via official security updates released in September 2026.

Affected products

  • Huawei HarmonyOS 6.1.0

Timeline

  • 2026-09-09: disclosed
  • 2026-09-05: patched: Security update released

References

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