Researchers have identified a new zero-day vulnerability affecting all versions of Windows, from 7 to 11, including Windows Server 2008 R2. This threat allows attackers to steal NTLM credentials merely by having users view a malicious file in Windows Explorer.
Acros Security has verified the existence of this credential-stealing vulnerability, which Microsoft has been informed about. However, no official patch or vulnerability identification number has been assigned yet, making this a particularly severe situation for Windows users.
The exploit occurs when a user either opens a shared folder or USB containing the malicious file, or even just views a downloads folder where the harmful file has been downloaded. The attacker can then obtain the user’s NTLM credentials without needing any further interaction from the user.
To mitigate the risks associated with this vulnerability, users are advised to utilize the free micropatch available via the 0patch platform. This service offers patches even for unsupported Windows versions, providing a type of protective measure while Microsoft prepares an official fix. Unlike traditional patches, 0patch allows for real-time updates without requiring system reboots or downtime.
Microsoft has acknowledged the threat and stated that it is investigating the issue to take necessary action to keep users protected. Users should remain vigilant and apply the micro-patch as an interim solution until a comprehensive resolution is provided. For more information on this zero-day vulnerability, individuals can visit the official 0patch site.
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