Zscaler Client Connector vulnerabilities
6 known CVE vulnerabilities in Zscaler Client Connector, translated and rated.
- CVE-2026-59568Critical
Multiple vulnerabilities on affected versions of Zscaler Client Connector allow remote code execution, giving an unauthenticated, unprivileged user the ability to execute arbitrary code in the ZCC context.
- CVE-2026-59564Critical
An authentication bypass issue exists in communications between affected versions of the Zscaler Client Connector and the Zscaler Client Connector Portal.
- CVE-2026-59567High
Multiple vulnerabilities in Zscaler Client Connector allow local privilege escalation, giving an unprivileged user the ability to execute arbitrary code in a privileged context.
- CVE-2026-59566High
A locally exploitable buffer overflow bug can cause a local denial-of-service attack on Zscaler Client Connector on Android and ChromeOS.
- CVE-2026-59565High
A remotely exploitable buffer overflow bug can cause a local and kernel denial-of-service attack on Zscaler Client Connector on Windows.
- CVE-2026-22569Medium
An incorrect startup configuration of Zscaler Client Connector on Windows may cause a limited amount of traffic to bypass inspection under rare circumstances.

