CVE-2026-55294 Memory corruption in Android

High 7.8 Published Updated

A heap buffer overflow in the Android video decoder allows local attackers 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-2026-55294?

CVE-2026-55294 is a high-severity memory corruption vulnerability in Google Android, published on 8 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In ihevcd_get_tu_data_size of ihevcd_utils.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-122

Which versions are affected by CVE-2026-55294?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2026-55294?

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-2026-55294 being exploited?

There is no known exploitation of CVE-2026-55294 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-505000651, ASB-A-505000651, GHSA-276x-m8jj-77r6.

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