CVE-2026-24917 Use after free in EMUI

Medium 6.5 Published 6 Feb 2026 Updated 6 Feb 2026

A use-after-free flaw in the security module allows attackers to cause a denial of service on Huawei mobile devices.

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-2026-24917?

CVE-2026-24917 is a medium-severity use after free vulnerability in Huawei Emui, published on 6 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

UAF vulnerability in the security module. Impact: Successful exploitation of this vulnerability may affect availability.

Weakness: CWE-416

Which versions are affected by CVE-2026-24917?

It affects 2 products.

Products include Huawei Emui, Huawei Harmonyos.

How do I fix CVE-2026-24917?

No fix has been published for CVE-2026-24917 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2026-24917 being exploited?

There is no known exploitation of CVE-2026-24917 in the wild and no public exploit code.

All Huawei Emui vulnerabilities

Sources

Also known as GHSA-5wx5-4538-8w76.