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    CVE-2026-59567

    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.

    Published:Aug 24, 2026
    Last Modified:Aug 24, 2026
    EPS:Aug 24, 2026
    EPSS Score:
    CVSS Score:8.8

    Affected Products

    Vendor
    Zscaler
    Product
    Client Connector

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-59568 (CVSS 9.1) — Multiple vulnerabilities on affected versions of Zscaler Client Connector allow remote code execution, giving …
    CVE-2026-59566 (CVSS 8.4) — A locally exploitable buffer overflow bug can cause a local denial-of-service attack on affected versions of Z…
    CVE-2026-59565 (CVSS 8.8) — A remotely exploitable buffer overflow bug can cause a local and kernel denial-of-service attack on affected v…
    CVE-2026-59564 (CVSS 9.1) — An authentication bypass issue exists in communications between affected versions of the Zscaler Client Connec…
    CVE-2026-22569 (CVSS 5.4) — An incorrect startup configuration of affected versions of Zscaler Client Connector on Windows may cause a lim…
    CVE-2025-54983 (CVSS 5.2) — A health check port on Zscaler Client Connector on Windows, versions 4.6 < 4.6.0.216 and 4.7 < 4.7.0.47, whic…
    CVE-2024-31127 (CVSS 7.3) — An improper verification of a loaded library in Zscaler Client Connector on Mac < 4.2.0.241 may allow a local …
    CVE-2023-28806 (CVSS 5.7) — An Improper Validation of signature in Zscaler Client Connector on Windows allows an authenticated user to dis…
    CVE-2024-23483 (CVSS 7) — An Improper Input Validation vulnerability in Zscaler Client Connector on MacOS allows OS Command Injection. T…
    CVE-2024-23460 (CVSS 6.4) — The Zscaler Updater process does not validate the digital signature of the installer before execution, allowin…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High