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CVE-2026-59568

Remote Code Execution

Critical9.1EPSS 0.66%
Published
Updated
Reserved
Assigned by
Zscaler

Description

Multiple vulnerabilities on affected versions of Zscaler Client Connector allow remote code execution, giving an unauthenticated, unprivileged user the ability to execute arbitrary code in the ZCC context.

Scores

CVSS scores of CVE-2026-59568, by who scored it
Scored byCVSSScoreVector
ZscalerCNA (assigner)3.1Critical9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVDNVD · Awaiting Analysis3.1Critical9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS (exploitation in 30 days)
0.66% · top 48% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.1.

Weakness

Affected products

  • Zscaler · Client Connector

    • affected < Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0.372
    • affected < MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.191
    • affected < Linux: 3.7.2.64, 4.2.1.64
    • affected < Android: 4.2
    • affected < ChromeOS: 4.2
    • affected < iOS: 4.5.1

References (1)

Sources

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

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Record last updated .