What’s Vulnerable › Vulnerabilities
CVE-2026-59568: Remote Code Execution
- Severity: critical (CVSS 9.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-24 · updated 2026-10-12
- Weakness: CWE-20
Description
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.
Affected products
- Zscaler Client Connector: before Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0.372; before MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.191; before Linux: 3.7.2.64, 4.2.1.64; before Android: 4.2; before ChromeOS: 4.2; before iOS: 4.5.1 — fixed in 4.2.1.64, 4.7.0.292, 4.7.0.317, 4.8.0.191, 4.8.0.232, 4.9.0.372
How to fix
Upgrade to a fixed version: Zscaler Client Connector 4.2.1.64, 4.7.0.292, 4.7.0.317, 4.8.0.191. Check the vendor advisory for mitigations.
References
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