critical
9.3
CWE
843
Advisory Published
Updated
Advisory Published

CVE-2020-1421: Microsoft Windows LNK File Parsing Type Confusion Remote Code Execution Vulnerability

First published: Tue Jul 14 2020(Updated: )

A remote code execution vulnerability exists in Microsoft Windows that could allow remote code execution if a .LNK file is processed.An attacker who successfully exploited this vulnerability could gain the same user rights as the local user, aka 'LNK Remote Code Execution Vulnerability'.

Credit: secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Windows 10
Windows 10
Windows 10=1607
Windows 10=1607
Windows 10=1709
Windows 10=1709
Windows 10=1709
Windows 10=1803
Windows 10=1803
Windows 10=1803
Windows 10=1809
Windows 10=1809
Windows 10=1809
Windows 10=1903
Windows 10=1903
Windows 10=1903
Windows 10=1909
Windows 10=1909
Windows 10=1909
Windows 10=2004
Windows 10=2004
Windows 10=2004
Microsoft Windows Server 2016
Microsoft Windows Server 2016=1903
Microsoft Windows Server 2016=1909
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019
Microsoft Windows Operating System

Remedy

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1421

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2020-1421?

    CVE-2020-1421 is rated as important due to its potential for remote code execution.

  • How do I fix CVE-2020-1421?

    To fix CVE-2020-1421, ensure your Microsoft Windows is updated with the latest security patches provided by Microsoft.

  • What systems are affected by CVE-2020-1421?

    CVE-2020-1421 affects multiple versions of Microsoft Windows 10 and Windows Server 2016 and 2019.

  • What type of vulnerability is CVE-2020-1421?

    CVE-2020-1421 is classified as a remote code execution vulnerability.

  • Can CVE-2020-1421 be exploited without user interaction?

    Yes, CVE-2020-1421 can be exploited when a malicious .LNK file is processed by the affected system.

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