CVE-2026-20413 Memory corruption in MediaTek chipset

Medium 6.7 Published Updated

A missing bounds check in MediaTek imgsys allows local privilege escalation for attackers with System privileges.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-20413?

CVE-2026-20413 is a medium-severity memory corruption vulnerability in Google Android, published on 2 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In imgsys, 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: ALPS10362725; Issue ID: MSV-5694.

Weakness: CWE-787, CWE-1285

Which versions are affected by CVE-2026-20413?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2026-20413?

No fix has been published for CVE-2026-20413 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-2026-20413 being exploited?

There is no known exploitation of CVE-2026-20413 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-9c7m-3m5m-pj6v.

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