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Status published
Medium
CVE-2021-26736
ZApp Installer Privilege Escalation Vulnerabilities
Vulnerability Description
Multiple vulnerabilities in the Zscaler Client Connector Installer and Uninstaller for Windows prior to 3.6 allowed execution of binaries from a low privileged path. A local adversary may be able to execute code with SYSTEM privileges.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- LMCO Red Team
References
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Affected Vendor
Zscaler
View all reports →Affected Software
Client Connector
Vulnerable Versions:
0
Timeline
Official Publish:
October 23rd, 2023
Last Modified:
February 27th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H