CVE-2021-26735: Zscaler Client Connector

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

The Zscaler Client Connector Installer and Unsintallers for Windows prior to 3.6 had an unquoted search path vulnerability. A local adversary may be able to execute code with SYSTEM privileges.

Affected products

• Zscaler Client Connector: before 3.6 (fixed in 3.6)

Published 2023-10-23. Last modified 2026-06-17.