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Fencer Vulns
high 8.8

CVE-2026-59567 json

Local privilege escalation

published 2026-08-24 2 mo ago modified 2026-10-12 27 d ago also EUVD-2026-64883

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 4%
public exploits
0
none known

Summary

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.

Patch / fix

  • Zscaler Client Connector Linux: 3.7.2.64, 4.2.1.64, MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.191, Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0372

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 mo ago

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

  • Zscaler Client Connector

Classification

Weakness
  • CWE-280 Improper Handling of Insufficient Permissions or Privileges

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.