CVE-2025-36934 Use after free in Android

High 7.4 Published 11 Dec 2025 Updated 26 Feb 2026

A race condition in the Android bigo driver allows local attackers to achieve privilege escalation via a use-after-free vulnerability.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2025-36934?

CVE-2025-36934 is a high-severity use after free vulnerability in Google Android, published on 11 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In bigo_worker_thread of private/google-modules/video/gchips/bigo.c, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-416, CWE-362

Which versions are affected by CVE-2025-36934?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2025-36934?

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-2025-36934 being exploited?

There is no known exploitation of CVE-2025-36934 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-427204614, GHSA-3r28-hhhx-hfjf, PUB-A-427204614.