SB2026051293 - Missing Authorization in Fortinet FortiClient for Windows
Published: May 12, 2026
Security Bulletin ID
SB2026051293
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Missing Authorization (CVE-ID: CVE-2026-44278)
CWE-ID: CWE-862 - Missing Authorization
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local privileged user to disclose sensitive information.
The vulnerability exists due to improper authorization in an unprotected DLL function in the GUI component when decrypting a currently logged in user's VPN password. A local privileged user can invoke the unprotected DLL function to disclose sensitive information.
The issue is limited to the VPN password of a currently logged in user.
Remediation
Install update from vendor's website.