CVE-2026-28550 Race condition in HarmonyOS

Medium 4.0 Published Updated

A race condition in the security control module allows attackers to disrupt system availability on HarmonyOS devices.

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

What is CVE-2026-28550?

CVE-2026-28550 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 security control module. Impact: Successful exploitation of this vulnerability may affect availability.

Weakness: CWE-362, CWE-840

Which versions are affected by CVE-2026-28550?

It affects 1 product.

Products include Huawei Harmonyos.

How do I fix CVE-2026-28550?

No fix has been published for CVE-2026-28550 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-28550 being exploited?

There is no known exploitation of CVE-2026-28550 in the wild and no public exploit code.

All Huawei Harmonyos vulnerabilities

Sources

Also known as GHSA-4pqh-7xgc-j83m.

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