P4Verified

CVE-2026-59565: Client Connector 0 to before Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0.372

CVE-2026-59565. CVSS 3.1 base score 8.8 (HIGH, Vendor/CNA). EPSS 0.00477 (percentile 0.39318), scored 11-Oct-2026.

Affected technology

Client Connector · 0 to before Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0.372
Zscaler

Description’s affected range: versions of Zscaler Client Connector on Windows

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

The source reports that an attacker could disrupt service. Vendor/CNA’s CVSS 3.1 assessment (base score 8.8/10) rates confidentiality, integrity and availability impact as high.

Published 12-Oct-2026 16:54 UTC

CWE: CWE-229
CCR priority: 35.3 /100 (P4)
CVSS 3.1: 8.8 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.00477 · percentile 0.39318 · 2026-10-11
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-12 16:54:24.294989+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-59565.html