CVE-2026-59565: Zscaler Client Connector

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

A remotely exploitable buffer overflow bug can cause a local and kernel denial-of-service attack on affected versions of Zscaler Client Connector on Windows.

Affected products

• Zscaler Client Connector

Published 2026-08-24. Last modified 2026-08-28.