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.
Published: 2026-09-14
Score: 8.1 High
EPSS: n/a
KEV: No
AI Analysis

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Remediation

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Tracking

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History

Mon, 14 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
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.
Title ZCC race condition in ZPA tunnel handler
Weaknesses CWE-366
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: Zscaler

Published:

Updated: 2026-09-14T15:41:31.085Z

Reserved: 2026-02-05T05:00:40.582Z

Link: CVE-2026-25687

cve-icon Vulnrichment

Updated: 2026-09-14T15:39:38.835Z

cve-icon NVD

Status : Received

Published: 2026-09-14T15:17:05.090

Modified: 2026-09-14T16:17:08.450

Link: CVE-2026-25687

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses