CVE-2026-28549 Race condition in HarmonyOS

Medium 6.6 Published Updated

A race condition in HarmonyOS permission management allows attackers to disrupt system availability.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-28549?

CVE-2026-28549 is a medium-severity vulnerability in Huawei Harmonyos, published on 5 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Race condition vulnerability in the permission management service. Impact: Successful exploitation of this vulnerability may affect availability.

Weakness: CWE-362

Which versions are affected by CVE-2026-28549?

It affects 1 product.

Products include Huawei Harmonyos.

How do I fix CVE-2026-28549?

No fix has been published for CVE-2026-28549 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-28549 being exploited?

There is no known exploitation of CVE-2026-28549 in the wild and no public exploit code.

All Huawei Harmonyos vulnerabilities

Sources

Also known as GHSA-x9cg-69jp-cr99.

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