CVE-2026-59565: Local and kernel denial-of-service
Published Aug 24, 2026
·Updated
A remotely exploitable buffer overflow bug can cause a local and kernel denial-of-service attack on affected versions of Zscaler Client Connector on Windows.
Affected Software
1 affected component
Zscaler Client Connector
Event History
Aug 24, 2026
CVE Published
via MITRE·01:40 PM
Data Sourced
via MITRE·01:40 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:16 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What level of access does an attacker need to exploit this issue?
The severity vector indicates that an attacker needs low-level privileges. No user interaction is required, and the attack vector is network-based.
2
What is the potential impact if exploitation succeeds?
Successful exploitation can cause denial of service affecting both the local system and the Windows kernel. The severity vector also indicates potential high impact to confidentiality, integrity, and availability.