CVE-2025-9491: (0Day) Microsoft Windows LNK File UI Misrepresentation Remote Code Execution Vulnerability

Published Aug 26, 2025
·
Updated

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.

Affected Software

3 affected components
Microsoft Windows
Microsoft Windows 11 23h2=10.0.22631.4169
Microsoft Windows

Event History

Aug 26, 2025
CVE Published
via MITRE·04:25 PM
Data Sourced
via MITRE·04:25 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
Oct 30, 2025
News Published
via The Register·07:20 PM
News Published
via The Register·07:25 PM
Oct 31, 2025
News Published
via BleepingComputer·11:29 AM
News Published
via BleepingComputer·11:31 AM
Nov 5, 2025
Advisory Published
via ZDI·08:58 PM
Data Sourced
via ZDI·08:58 PM
DescriptionSeverityAffected Software
Dec 4, 2025
News Published
via The Register·03:01 PM
Feb 28, 57989
Event
via FIRST·08:53 AM
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Frequently Asked Questions

1

What is the severity of CVE-2025-9491?

CVE-2025-9491 has been rated as critical due to its potential for remote code execution.

2

How do I fix CVE-2025-9491?

To mitigate CVE-2025-9491, apply the latest security updates provided by Microsoft for Windows.

3

What types of attacks are possible with CVE-2025-9491?

CVE-2025-9491 allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Windows.

4

Is user interaction required to exploit CVE-2025-9491?

Yes, user interaction is required for CVE-2025-9491 as the target must open a specially crafted file.

5

Which versions of Windows are affected by CVE-2025-9491?

CVE-2025-9491 affects various installations of Microsoft Windows, but specific version details should be checked in the update documentation.

Contact

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