Vulnerability Description
Microsoft Windows LNK File UI Misrepresentation Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of .LNK files. Crafted data in an .LNK file can cause hazardous content in the file to be invisible to a user who inspects the file via the Windows-provided user interface. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-25373.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 11 23H2 | 10.0.22631.4169 |
Related Weaknesses (CWE)
References
- https://www.zerodayinitiative.com/advisories/ZDI-25-148/Third Party Advisory
- https://msrc.microsoft.com/update-guide/advisory/ADV25258226
- https://www.virustotal.com/gui/file/a55789d49c395a9b16cb56b0544266d9ecee409fa3c5
FAQ
What is CVE-2025-9491?
CVE-2025-9491 is a vulnerability with a CVSS score of 7.8 (HIGH). Microsoft Windows LNK File UI Misrepresentation Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Windows...
How severe is CVE-2025-9491?
CVE-2025-9491 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-9491?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 11 23H2.