Local privilege escalation

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-59567
StatePUBLISHED
AssignerZscaler
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-24 14:16:56 UTC
Updated2026-08-28 18:39:48 UTC
DescriptionMultiple 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.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS: 0.001020000 probability, percentile 0.010130000 (date 2026-08-30)

Problem Types: CWE-280 | CWE-280 CWE-280 Improper handling of insufficient permissions or privileges

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
3.1CNACVSS8.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Zscaler Client Connector affected Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0372 custom Windows, MacOS, Linux
CNA Zscaler Client Connector affected MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.191 custom Windows, MacOS, Linux
CNA Zscaler Client Connector affected Linux: 3.7.2.64, 4.2.1.64 custom Windows, MacOS, Linux

References

ReferenceSourceLinkTags
help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary... [email protected] help.zscaler.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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