SB2025031863 - Remote code execution via misrepresented LNK file in Microsoft Windows
Published: March 18, 2025 Updated: January 9, 2026
Security Bulletin ID
SB2025031863
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Spoofing attack (CVE-ID: CVE-2025-9491)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data in .lnk files. A remote attacker can hide command line arguments inside an .lnk file, trick the victim into opening it and execute arbitrary code with privileges of the current user.
Note, the vulnerability is being actively exploited in the wild.
Remediation
Install update from vendor's website.