CVE-2026-59565

high

Description

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.

References

https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2026

Details

Source: Mitre, NVD

Published: 2026-08-24

Updated: 2026-08-24

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H