Zscaler Client Connector prior prior Linux: 3.7.2.64 privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.6$0-$5k1.27-

Summaryinfo

A vulnerability marked as very critical has been reported in Zscaler Client Connector. Impacted is an unknown function. The manipulation leads to privileges management. This vulnerability is referenced as CVE-2026-59567. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in Zscaler Client Connector. It has been rated as very critical. This issue affects an unknown code. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at help.zscaler.com. The identification of this vulnerability is CVE-2026-59567 since 07/06/2026. The exploitation is known to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/24/2026). MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version Linux: 3.7.2.64, 4.2.1.64, MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.191, Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232 or 4.9.0372 eliminates this vulnerability.

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector (Zscaler): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Client Connector Linux: 3.7.2.64/4.2.1.64/MacOS: 4.5.2.312/4.7.0.292/4.8.0.191/Windows: 4.6.0.457/4.7.0.317/4.8.0.232/4.9.0372

Timelineinfo

07/06/2026 CVE reserved
08/24/2026 +49 days Advisory disclosed
08/24/2026 +0 days VulDB entry created
08/24/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: help.zscaler.com
Status: Confirmed

CVE: CVE-2026-59567 (🔒)
GCVE (CVE): GCVE-0-2026-59567
GCVE (VulDB): GCVE-100-394685

Entryinfo

Created: 08/24/2026 16:16
Changes: 08/24/2026 16:16 (61)
Complete: 🔍
Cache ID: 216::103

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