SB2026021043 - Link following in Fortinet FortiClient for Windows
Published: February 10, 2026 Updated: February 19, 2026
Security Bulletin ID
SB2026021043
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Link following (CVE-ID: CVE-2025-62676)
The vulnerability allows a local authenticated user to damange or delete data.
The vulnerability exists due to improper link resolution before file access ('link following') in FCConfig. A local low-privilege attacker can perform an arbitrary file write with elevated permissions via crafted named pipe messages.
Remediation
Install update from vendor's website.