CVE-2026-56906 Use after free in Android
A race condition in the Android kernel's eventpoll implementation allows local attackers to achieve privilege escalation via a use-after-free vulnerability.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-56906?
CVE-2026-56906 is a high-severity use after free vulnerability in Google Android, published on 6 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In ep_free of eventpoll.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-362
Which versions are affected by CVE-2026-56906?
How do I fix CVE-2026-56906?
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-2026-56906 being exploited?
There is no known exploitation of CVE-2026-56906 in the wild and no public exploit code.
Sources
Also known as A-496716086, GHSA-c7c5-534m-5q2x, PUB-A-496716086.