Samsung MagicINFO 9 Server Incorrect Default Permissions Local Privilege Escalation Vulnerability

April 15th, 2026
ZDI-26-268 ZDI-CAN-28705

CVE ID

CVE-2026-25203

CVSS Score

7.8 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors

Samsung

Affected Products

MagicINFO 9 Server

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

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