CVE-2026-11858

Quanos SCHEMA ST4 on-premises is affected by a local privilege escalation due to insufficient authorization on the Client Update Service. The service, running as NT AUTHORITY\SYSTEM, exposes a .NET Remoting interface over a named pipe without proper access controls. A local authenticated low-priv...

PT-2026-50381

Quanos SCHEMA ST4 on-premises contains a local privilege escalation vulnerability in the Client Update Service. The update service runs as NT AUTHORITYSYSTEM and exposes a .NET Remoting interface over a named pipe without sufficient access controls or authorization. A local authenticated...

The vulnerability of the .NET Remoting interface for the Watchdoc software application management interface allows a perpetrator to execute arbitrary code.

The vulnerability of the .NET Remoting interface for software applications designed for Watchdoc printing lies in the shortcomings of the deserialization mechanism. Exploiting this vulnerability allows an attacker to execute arbitrary code by sending a specially crafted API request remotely...