Samsung MagicINFO 9 Server Incorrect Default Permissions Local Privilege Escalation Vulnerability (CVE-2026-25203)

This vulnerability allows local attackers to escalate privileges on affected installations of Samsung MagicINFO 9 Server.

An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the product installer.

The issue results from incorrect permissions on a folder used by the product.

An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

This issue has been fixed in version 21.1091.1 – https://security.samsungtv.com/securityUpdates

I am one of the editors here at www.systemtek.co.uk I am a UK based technology professional, with an interest in computer security and telecoms.