Advisory Details

April 15th, 2026

Samsung MagicINFO 9 Server Incorrect Default Permissions Local Privilege Escalation Vulnerability

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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