# CVE-2026-59565

## Summary

- **CVE ID:** CVE-2026-59565
- **Severity:** HIGH
- **CVSS Score:** 8.8 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-229
- **Published:** Aug 24, 2026
- **Last Modified:** Aug 24, 2026

## 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.

## Affected Products

- Zscaler — Client Connector (0)

## References

- [CNA](https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2026)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.27%
- **EPSS Percentile:** 19.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._