CVE-2026-49879 Integer overflow in Android

High 8.8 Published Updated

An integer overflow in Android's NFC stack 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-2026-49879?

CVE-2026-49879 is a high-severity 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 multiple functions of rw_t3t.cc, there is a possible out of bounds write due to an integer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-787

Which versions are affected by CVE-2026-49879?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2026-49879?

Apply the vendor's patch.

Is CVE-2026-49879 being exploited?

There is no known exploitation of CVE-2026-49879 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-503544522, ASB-A-503544522, GHSA-rq2v-26wj-9v2x.

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