CVE-2026-21083 Information disclosure in Smart Switch

Medium 6.8 Published 10 Aug 2026 Updated 10 Aug 2026

Adjacent attackers can access sensitive data due to improper input validation in Samsung Smart Switch.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-21083?

CVE-2026-21083 is a medium-severity vulnerability in Samsung Mobile Smart Switch, published on 10 Aug 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Improper input validation in Smart Switch prior to version 3.7.72.6 allows adjacent attackers to access sensitive data.

Weakness: CWE-20

Which versions are affected by CVE-2026-21083?

It affects 1 product.

Products include Samsung Smart Switch.

How do I fix CVE-2026-21083?

No fix has been published for CVE-2026-21083 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-21083 being exploited?

There is no known exploitation of CVE-2026-21083 in the wild and no public exploit code.

Sources

Also known as GHSA-xhqw-w736-6j3r.