Client Connector
CVE-2026-59568: Remote Code Execution
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.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityCRITICALCVSS 3.1 9.1
EPSS0.66%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| Client Connector (Windows, MacOS, Linux, iOS, Android, ChromeOS) 0 | Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0.372 or later |
| Client Connector (Windows, MacOS, Linux, iOS, Android, ChromeOS) 0 | MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.191 or later |
| Client Connector (Windows, MacOS, Linux, iOS, Android, ChromeOS) 0 | Linux: 3.7.2.64, 4.2.1.64 or later |
| Client Connector (Windows, MacOS, Linux, iOS, Android, ChromeOS) 0 | Android: 4.2 or later |
| Client Connector (Windows, MacOS, Linux, iOS, Android, ChromeOS) 0 | ChromeOS: 4.2 or later |
| Client Connector (Windows, MacOS, Linux, iOS, Android, ChromeOS) 0 | iOS: 4.5.1 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
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.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.