Is CVE-2026-25687 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-25687?

CVE-2026-25687 has a CVSS v3 severity of HIGH (8.1).

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CVE-2026-25687

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.