CVE-2026-53406
Zoom · Contact Center
Zoom Contact Center for Windows contains a vulnerability involving insufficient verification of data authenticity during remote control sessions.
Executive summary
Zoom Contact Center for Windows prior to version 7 contains a data authenticity vulnerability that could allow for unauthorized remote control actions.
Vulnerability
The application fails to perform sufficient verification of data authenticity during remote control operations. This could allow an attacker to bypass security checks and perform unauthorized actions within the remote control session.
Business impact
The CVSS score of 7.8 (High) reflects the severity of allowing unauthorized remote control of a workstation. This could lead to the theft of sensitive information, installation of malware, or complete administrative control over the affected system, resulting in severe reputational and operational damage.
Remediation
Immediate Action: Update the Zoom Contact Center for Windows client to version 7 or later immediately.
Proactive Monitoring: Review audit logs for remote control sessions and unauthorized administrative changes made to workstations.
Compensating Controls: Disable remote control features within the Zoom Contact Center application if they are not strictly required for business operations.
Exploitation status
Public Exploit Available: false
Analyst recommendation
Organizations using Zoom Contact Center must prioritize upgrading all Windows clients to version 7 or higher. This update is critical to closing the gap in remote control authenticity verification and protecting against potential system compromise.