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CVE-2026-59567

Local privilege escalation

High8.8EPSS 0.15%
Published
Updated
Reserved
Assigned by
Zscaler

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.

Scores

CVSS scores of CVE-2026-59567, by who scored it
Scored byCVSSScoreVector
ZscalerCNA (assigner)3.1High8.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVDNVD · Awaiting Analysis3.1High8.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.15% · top 96% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

Affected products

  • Zscaler · Client Connector

    • affected < Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0372
    • affected < MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.191
    • affected < Linux: 3.7.2.64, 4.2.1.64

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .