What is CVE-2026-59566?

CVE-2026-59566 is a high-severity vulnerability in Zscaler Client Connector, classified under CWE-229. CVSS score: 8.4/10. Published 2026-08-24.

How severe is CVE-2026-59566?

High severity. CVSS v3 base score is 8.4 out of 10.

Vulnerability in Zscaler Client Connector

CVE-2026-59566

A locally exploitable buffer overflow bug can cause a local denial-of-service attack on affected versions of Zscaler Client Connector on Android and ChromeOS.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Zscaler Client Connector

Weakness classification (CWE)

CWE-229

References

cve@zscaler.com

Frequently asked questions

What is CVE-2026-59566?: CVE-2026-59566 is a high-severity vulnerability in Zscaler Client Connector, classified under CWE-229. CVSS score: 8.4/10. Published 2026-08-24.
How severe is CVE-2026-59566?: High severity. CVSS v3 base score is 8.4 out of 10.