Vulnerability in Cato Networks Sdp Client
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.
Vulnerability class: Improper Certificate Validation
Published · last modified .
EPSS exploit prediction
EPSS: 0.001 (0.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Cato Networks Sdp Client — versions 5.12.0