CVE-2026-12374

Improper certificate validation and a time-of-check time-of-use (TOCTOU) race condition in the PrivilegedHelperTool XPC service in Cato Client before v.5.13.1 on macOS allows a local authenticated attacker to escalate privileges to root via a self-signed certificate that bypasses the XPC caller verification and a symlink swap during package installation.

CVSS

No CVSS.

References

Link	Resource
https://support.catonetworks.com/hc/en-us/articles/37284626576413-Security-Vulnerability-CVE-2026-12374-that-Impacts-macOS-Client-Versions-Lower-than-5-13-1

Configurations

No configuration.

History

01 Jul 2026, 15:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-01 15:16

Updated : 2026-07-02 17:44

NVD link : CVE-2026-12374

Mitre link : CVE-2026-12374

CVE.ORG link : CVE-2026-12374

JSON object : View

Products Affected

No product.

CWE

CWE-295

Improper Certificate Validation

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

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