CyberSecBulletin

Quanos Solutions vulnerabilities

We track 2 vulnerabilities in Quanos Solutions products. 2 are rated high or critical, and none are known to be exploited. The most recent was published on June 17, 2026.

2vulnerabilities
0critical
2high
0exploited
8.4average CVSS score

Latest Quanos Solutions vulnerabilities

  • 8.4 High severity

    SCHEMA ST4: Missing Authorization

    CVE-2026-11858Quanos Solutions

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

  • 8.4 High severity

    SCHEMA ST4: Deserialization of Untrusted Data

    CVE-2026-11857Quanos Solutions

    Quanos SCHEMA ST4 on-premises contains a local privilege escalation vulnerability in the Client Update Service due to insecure deserialization in the .NET Remoting service. The service is configured with TypeFilterLevel.Full and is bound to local interfaces on