ZscalerCVE-2026-59567
Zscaler Client Connector: privilege escalation
High8.8CVE-2026-59567 · Published Aug 24, 2026 · updated Aug 28, 2026
Multiple vulnerabilities on affected versions of Zscaler Client Connector allow local privilege escalation, giving an unprivileged user the ability to execute arbitrary code in a privileged context.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Client Connector Product | < Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0372 | Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0372 |
| < MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.191 | MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.191 | |
| < Linux: 3.7.2.64, 4.2.1.64 | Linux: 3.7.2.64, 4.2.1.64 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-280
More Zscaler advisories
All Zscaler| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 14 | Zscaler Client Connector: improper input validation | High7.5 | Android: 4.2.0.152+1 more |
| Sep 14 | Zscaler Client Connector: race condition | High8.1 | 4.6.0.486+3 more |
| Aug 24 | Zscaler Client Connector: remote code execution | Critical9.1 | Windows: 4.6.0.457+8 more |
| Aug 24 | Zscaler Client Connector: authentication bypass | Critical9.1 | Windows: 4.6.0.457+7 more |
| Aug 24 | Zscaler Client Connector: buffer overflow | High8.8 | Windows: 4.6.0.457+3 more |
| Aug 24 | Zscaler Client Connector: buffer overflow | High8.4 | Android: 4.2+1 more |