CVE-2026-49921 Memory corruption in Android

Critical 9.8 Published Updated

A heap buffer overflow in Android allows remote code execution without user interaction or additional privileges.

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

What is CVE-2026-49921?

CVE-2026-49921 is a critical memory corruption vulnerability in Google Android, published on 8 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In multiple locations, there is a possible memory safety issue 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-122

Which versions are affected by CVE-2026-49921?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2026-49921?

No fix has been published for CVE-2026-49921 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-2026-49921 being exploited?

There is no known exploitation of CVE-2026-49921 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-cc5m-pgpm-8g33.

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