Vulnerability · Published Aug 24, 2026 · Assigned by Zscaler
CVE-2026-59567Local privilege escalation
High 8.8
In plain English
A high-severity security flaw in Client Connector from Zscaler. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.1%top 95.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Zscaler | Client Connector | 0 – before Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.03720 – before MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.1910 – before Linux: 3.7.2.64, 4.2.1.64 |
Weakness: CWE-280 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H