Client Connector
CVE-2026-59567: Local privilege escalation
Multiple vulnerabilities on affected versions of Zscaler Client Connector allow local privilege escalation, giving an unprivileged user the ability to execute arbitrary code in a privileged context.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityHIGHCVSS 3.1 8.8
EPSS0.15%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) 0 | Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0372 or later |
| Client Connector (Windows, MacOS, Linux) 0 | MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.191 or later |
| Client Connector (Windows, MacOS, Linux) 0 | Linux: 3.7.2.64, 4.2.1.64 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 local privilege escalation, giving an unprivileged user the ability to execute arbitrary code in a privileged context.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.