CVE-2025-9491

High

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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductMicrosoft Windows
PublishedAug 26, 2025
First seenAug 26, 2025
Weakness typeCWE-451CWE-451

How to fix

Affected products

ProductAffected versionsFixed in
microsoft windows_11_23h210.0.22631.4169—

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