CVE-2025-46373 HIGH

CVE-2025-46373

Vendor Fortinet
Product FortiClientWindows
Weakness CWE-122
Published November 18, 2025
Last update January 14, 2026

CVSS base score

7.1/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

What the vulnerability does

01Description

A Heap-based Buffer Overflow vulnerability [CWE-122] vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.8 may allow an authenticated local IPSec user to execute arbitrary code or commands via "fortips_74.sys". The attacker would need to bypass the Windows heap integrity protections

Key dates

02Disclosure timeline

November 18, 2025 CVE published
January 14, 2026 Record updated