CVE-2026-59565: CWE-229 Improper handling of values in Zscaler Client Connector
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.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-229 (Improper Handling of Values), exists in Zscaler Client Connector on Windows platforms. It allows remote attackers to trigger a buffer overflow, resulting in denial-of-service at both the local user and kernel levels. The CVSS 3.1 base score is 8.8, indicating high impact on confidentiality, integrity, and availability. There is no available information on affected versions or official remediation at this time.
Potential Impact
Successful exploitation can cause denial-of-service conditions locally and at the kernel level, potentially disrupting system operations and availability. The vulnerability impacts confidentiality, integrity, and availability with high severity as per CVSS 3.1 scoring. There are no known exploits in the wild currently.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is available at this time.
CVE-2026-59565: CWE-229 Improper handling of values in Zscaler Client Connector
Description
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.
CVSS v3.1
Score 8.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-229 (Improper Handling of Values), exists in Zscaler Client Connector on Windows platforms. It allows remote attackers to trigger a buffer overflow, resulting in denial-of-service at both the local user and kernel levels. The CVSS 3.1 base score is 8.8, indicating high impact on confidentiality, integrity, and availability. There is no available information on affected versions or official remediation at this time.
Potential Impact
Successful exploitation can cause denial-of-service conditions locally and at the kernel level, potentially disrupting system operations and availability. The vulnerability impacts confidentiality, integrity, and availability with high severity as per CVSS 3.1 scoring. There are no known exploits in the wild currently.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is available at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Zscaler
- Date Reserved
- 2026-07-06T06:18:59.633Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a8c504bacd9273b49a2280e
Added to database: 08/24/2026, 14:08:11 UTC
Last enriched: 08/24/2026, 14:22:49 UTC
Last updated: 08/24/2026, 22:31:38 UTC
Views: 10
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