CVE-2025-47761: Fortinet FortiClient

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

An Exposed IOCTL with Insufficient Access Control vulnerability [CWE-782] vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.9 may allow an authenticated local user to execute unauthorized code via fortips driver. Success of the attack would require bypassing the Windows memory protections such as Heap integrity and HSP. In addition, it requires a valid and running VPN IPSec connection.

Affected products

• Fortinet FortiClient: from 7.2.0, before 7.2.10 (fixed in 7.2.10); from 7.4.0, before 7.4.4 (fixed in 7.4.4)

Published 2025-11-18. Last modified 2026-06-17.