Medium severity · published Mar 31, 2026
CVE-2026-22569
Incorrect startup configuration in ZCC
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
An incorrect startup configuration of affected versions of Zscaler Client Connector on Windows may cause a limited amount of traffic from being inspected under rare circumstances.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZC
Zscaler Client Connector · Zscaler
4.7 before 4.7.0.141; 4.8 before 4.8.0.63 · source: vendor
CC
Client Connector · Zscaler
4.7 before 4.7.0.141; 4.8 before 4.8.0.63 · source: NVD