Samsung MagicINFO 9 Server Incorrect Default Permissions Local Privilege Escalation Vulnerability

Vulnerability Details

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.

Additional Details

Fixed in version 21.1091.1 - https://security.samsungtv.com/securityUpdates

Disclosure Timeline

• 2025-12-16 - Vulnerability reported to vendor
• 2026-04-15 - Coordinated public release of advisory
• 2026-04-15 - Advisory Updated

Credit

Bobby Gould (@bobbygould5) of Trend Zero Day Initiative

Back to Advisories