What is the severity of CVE-2021-1676?

CVE-2021-1676 is rated as a medium severity vulnerability that allows information disclosure.

How do I fix CVE-2021-1676?

To fix CVE-2021-1676, ensure you apply the relevant patches provided by Microsoft for the affected Windows products.

Which products are affected by CVE-2021-1676?

CVE-2021-1676 affects several Microsoft products including Windows Server 2008 R2, Windows 10, and various versions of Windows Server.

What type of vulnerability is CVE-2021-1676?

CVE-2021-1676 is classified as an information disclosure vulnerability in the Windows NT Lan Manager Datagram Receiver Driver.

Can CVE-2021-1676 be exploited remotely?

CVE-2021-1676 may be exploited remotely, potentially leading to unauthorized access to sensitive information.

Vulnerability/
CVE-2021-1676

medium

5.5

12/1/2021

8/10/2024

CVE-2021-1676: Windows NT Lan Manager Datagram Receiver Driver Information Disclosure Vulnerability

First published: Tue Jan 12 2021(Updated: )

Windows NT Lan Manager Datagram Receiver Driver Information Disclosure Vulnerability

Credit: secure@microsoft.com

Affected Software	Affected Version	How to fix
Microsoft Windows Server 2008 R2		fix available externally fix available externally
Microsoft Windows Server	=2004	fix available externally
Microsoft Windows Server	=20H2	fix available externally
Microsoft Windows 7		fix available externally fix available externally
Microsoft Windows Server 2012 R2		fix available externally fix available externally
Microsoft Windows Server 2008 R2		fix available externally fix available externally
Microsoft Windows Server 2012 R2		fix available externally fix available externally
Microsoft Windows Server	=1909	fix available externally
Microsoft Windows 7		fix available externally fix available externally
Microsoft Windows RT		fix available externally
Microsoft Windows Server		fix available externally fix available externally
Microsoft Windows Server		fix available externally fix available externally
Microsoft Windows Server		fix available externally fix available externally
Microsoft Windows Server		fix available externally fix available externally
Microsoft Windows Server		fix available externally fix available externally
Microsoft Windows Server		fix available externally fix available externally
Microsoft Windows 8.1		fix available externally fix available externally
Microsoft Windows 8.1		fix available externally fix available externally
Microsoft Windows Server 2019		fix available externally
Microsoft Windows Server 2019		fix available externally
Microsoft Windows Server 2016		fix available externally
Microsoft Windows Server 2016		fix available externally
Windows 10	=20H2	fix available externally
Windows 10	=20H2	fix available externally
Windows 10	=1803	fix available externally
Windows 10	=1809	fix available externally
Windows 10	=1809	fix available externally
Windows 10	=1809	fix available externally
Windows 10	=1607	fix available externally
Windows 10	=1607	fix available externally
Windows 10	=1909	fix available externally
Windows 10	=1909	fix available externally
Windows 10	=1909	fix available externally
Windows 10		fix available externally
Windows 10	=1803	fix available externally
Windows 10	=1803	fix available externally
Windows 10		fix available externally
Windows 10	=2004	fix available externally
Windows 10	=2004	fix available externally
Windows 10	=2004	fix available externally
Windows 10
Windows 10	=20h2
Windows 10	=1607
Windows 10	=1803
Windows 10	=1809
Windows 10	=1909
Windows 10	=2004
Microsoft Windows 7	=sp1
Microsoft Windows
Microsoft Windows RT
Microsoft Windows Server	=sp2
Microsoft Windows Server	=r2-sp1
Microsoft Windows Server
Microsoft Windows Server	=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016	=20h2
Microsoft Windows Server 2016	=1909
Microsoft Windows Server 2016	=2004
Microsoft Windows Server 2019

Remedy

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1676

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-1676?
CVE-2021-1676 is rated as a medium severity vulnerability that allows information disclosure.
How do I fix CVE-2021-1676?
To fix CVE-2021-1676, ensure you apply the relevant patches provided by Microsoft for the affected Windows products.
Which products are affected by CVE-2021-1676?
CVE-2021-1676 affects several Microsoft products including Windows Server 2008 R2, Windows 10, and various versions of Windows Server.
What type of vulnerability is CVE-2021-1676?
CVE-2021-1676 is classified as an information disclosure vulnerability in the Windows NT Lan Manager Datagram Receiver Driver.
Can CVE-2021-1676 be exploited remotely?
CVE-2021-1676 may be exploited remotely, potentially leading to unauthorized access to sensitive information.

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