CVE-2026-21110 Memory corruption in libsavscmn.so

Medium 6.9 Published Updated

Local attackers can execute arbitrary code via an out-of-bounds write in a Samsung mobile system library.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-21110?

CVE-2026-21110 is a medium-severity memory corruption vulnerability in Samsung Mobile libsavscmn.so, published on 9 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Out-of-bounds write in libsavscmn.so prior to One UI 8.5 allows local attackers to execute arbitrary code.

Weakness: CWE-787

Which versions are affected by CVE-2026-21110?

How do I fix CVE-2026-21110?

No fix has been published for CVE-2026-21110 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-2026-21110 being exploited?

There is no known exploitation of CVE-2026-21110 in the wild and no public exploit code.

Sources

Also known as GHSA-fvhw-9rcw-fxq9.

Is CVE-2026-21110 in your software?

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