CVE-2025-36903 Memory corruption in Android

High 7.8 Published Updated

A local attacker can exploit an out-of-bounds read/write in the Android OS to escalate privileges without user interaction.

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-2025-36903?

CVE-2025-36903 is a high-severity memory corruption vulnerability in Google Android, published on 4 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In lwis_io_buffer_write, there is a possible OOB read/write due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-787

Which versions are affected by CVE-2025-36903?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2025-36903?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-36903 being exploited?

There is no known exploitation of CVE-2025-36903 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-418224726, GHSA-42g5-9rq6-mwjw, PUB-A-418224726.

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