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Critical 9.1Published Aug 24, 2026

CVE-2026-59568Remote Code Execution

Updated under an hour ago ()

Does this affect you?

It affects Zscaler Client Connector. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
9.1 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness (CWE)
CWE-20
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Zscaler
NVD analysis
Awaiting Analysis
Record last updated
Aug 25, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Zscaler Client Connector
zscaler:client_connector (from the name)
before Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0.372; before MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.191; before Linux: 3.7.2.64, 4.2.1.64; before Android: 4.2; before ChromeOS: 4.2; before iOS: 4.5.1
CNA record

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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