Vulnerability Description
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.
Related Weaknesses (CWE)
References
FAQ
What is CVE-2026-12374?
CVE-2026-12374 is a documented vulnerability. 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 att...
How severe is CVE-2026-12374?
CVSS scoring is not yet available for CVE-2026-12374. Check NVD for updates.
Is there a patch for CVE-2026-12374?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.