CVE-2026-55318 Use after free in Android

High 8.8 Published Updated

A race condition in Android allows remote code execution without user interaction or additional privileges.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-55318?

CVE-2026-55318 is a high-severity use after free vulnerability in Google Android, published on 15 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In multiple locations, there is a possible use-after-free due to a race condition. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-416, CWE-362

Which versions are affected by CVE-2026-55318?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2026-55318?

Apply the vendor's patch.

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-2026-55318 being exploited?

There is no known exploitation of CVE-2026-55318 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-511640613, GHSA-mhw2-86cw-63gw, PUB-A-511640613.

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