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CVE-2026-25687

nvd nist
Published: Sep 14, 2026Modified: Sep 18, 2026

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8.1
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 2.2 / Impact: 5.9
Source: cve@zscaler.com (Secondary)

Description

A race condition in the ZPA tunnel handler of affected versions of Zscaler Client Connector (ZCC) allows a heap corruption, resulting in a denial of service (client crash) and potentially arbitrary code execution in the context of the ZCC process.

Related CWEs

CWE-366
Race Condition within a Thread
If two threads of execution use a resource simultaneously, there exists the possibility that resources may be used while invalid, in turn making the state of execution undefined.

References (1)

Source: cve@zscaler.com

Timeline

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