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    CVE-2025-9491

    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.

    Published:Aug 26, 2025
    Last Modified:Dec 5, 2025
    EPS:Aug 26, 2025
    EPSS Score:0.00228
    CVSS Score:3.3

    Affected Products

    Vendor
    Microsoft
    Product
    Windows
    Vendor
    Microsoft
    Product
    Windows 11 23h2

    Exploits

    https://github.com/Amperclock/CVE-2025-9491_POC

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High