CVE-2026-55330 Use after free in Android

Critical 9.8 Published Updated

A use-after-free vulnerability in Android's Bluetooth handler allows remote attackers to execute arbitrary code without user interaction or additional privileges.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-55330?

CVE-2026-55330 is a critical use after free vulnerability in Google Android, published on 6 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In BluetoothCccHandlerCallbackImpl of bluetooth_ccc.cc, there is a possible use-after-free due to a logic error in the code. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-416

Which versions are affected by CVE-2026-55330?

How do I fix CVE-2026-55330?

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-2026-55330 being exploited?

There is no known exploitation of CVE-2026-55330 in the wild and no public exploit code.

Sources

Also known as A-522372636, GHSA-xfrr-6jr6-gwjr, PUB-A-522372636.

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