CVE-2026-28618 Memory corruption in Android

High 8.8 Published Updated

A heap buffer overflow in Android's oapv.c allows remote attackers to execute arbitrary code 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-2026-28618?

CVE-2026-28618 is a high-severity memory corruption vulnerability in Google Android, published on 8 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In dec_frm_prepare of oapv.c, there is a possible OOB write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-787, CWE-122

Which versions are affected by CVE-2026-28618?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2026-28618?

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-2026-28618 being exploited?

There is no known exploitation of CVE-2026-28618 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Google Android vulnerabilities

Sources

Also known as A-492492028, ASB-A-492492028, GHSA-xj53-4h23-xcfx.

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