CVE-2026-59568

Critical

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.

SeverityCritical
CVSS9.1
Exploit probability—
ProductClient Connector
PublishedAug 24, 2026
First seenAug 24, 2026

How to fix

Update
  • Zscaler Client ConnectorWindows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0.372, MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.191, Linux: 3.7.2.64, 4.2.1.64, Android: 4.2, ChromeOS: 4.2, iOS: 4.5.1 or later

Affected products

ProductAffected versionsFixed in
Zscaler Client Connectorv < Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0.372, v < MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.191, v < Linux: 3.7.2.64, 4.2.1.64, v < Android: 4.2, v < ChromeOS: 4.2, v < iOS: 4.5.1Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0.372, MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.191, Linux: 3.7.2.64, 4.2.1.64, Android: 4.2, ChromeOS: 4.2, iOS: 4.5.1

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2026-59568 · Client Connector · Dark Radar