CVE-2026-20416 Memory corruption in MediaTek chipset

High 7.2 Published Updated

A missing bounds check in MediaTek chipset firmware allows local privilege escalation via out-of-bounds write, requiring prior System privilege.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-20416?

CVE-2026-20416 is a high-severity memory corruption vulnerability in Google Android, published on 2 Mar 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

In pcie, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10315038 / ALPS10340155; Issue ID: MSV-5155.

Weakness: CWE-787

Which versions are affected by CVE-2026-20416?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2026-20416?

No fix has been published for CVE-2026-20416 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2026-20416 being exploited?

There is no known exploitation of CVE-2026-20416 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-2fwf-wj2x-3f3q.

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