First published: Tue Jan 12 2021(Updated: )
Remote Procedure Call Runtime Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-1658, CVE-2021-1660, CVE-2021-1664, CVE-2021-1667, CVE-2021-1671, CVE-2021-1673, CVE-2021-1700, CVE-2021-1701.
Credit: secure@microsoft.com secure@microsoft.com
Affected Software | Affected Version | How to fix |
---|---|---|
Microsoft Windows 10 | =2004 | |
Microsoft Windows Server | =2004 | |
Microsoft Windows 10 | =1809 | |
Microsoft Windows 10 | =1809 | |
Microsoft Windows Server 2012 R2 | ||
Microsoft Windows 10 | ||
Microsoft Windows 10 | =1909 | |
Microsoft Windows Server 2012 R2 | ||
Microsoft Windows Server | =1909 | |
Microsoft Windows 10 | =1607 | |
Microsoft Windows Server 2008 R2 | ||
Microsoft Windows Server 2016 | ||
Microsoft Windows 8.1 for x64-based systems | ||
Microsoft Windows Server 2019 | ||
Microsoft Windows 10 | =2004 | |
Microsoft Windows 10 | =20H2 | |
Microsoft Windows 10 | =1909 | |
Microsoft Windows 10 | =1803 | |
Microsoft Windows 8.1 for 32-bit systems | ||
Microsoft Windows 10 | =1803 | |
Microsoft Windows 10 | =20H2 | |
Microsoft Windows 10 | =1803 | |
Microsoft Windows 7 | ||
Microsoft Windows 7 | ||
Microsoft Windows Server | =20H2 | |
Microsoft Windows 10 | =1607 | |
Microsoft Windows Server 2019 | ||
Microsoft Windows 10 | =1809 | |
Microsoft Windows Server 2008 R2 | ||
Microsoft Windows 10 | =1909 | |
Microsoft Windows 10 | =2004 | |
Microsoft Windows 10 | ||
Microsoft Windows Server 2016 | ||
Microsoft Windows Server 2012 x64 | ||
Microsoft Windows Server 2012 x64 | ||
Microsoft Windows RT | ||
Microsoft Windows Server 2008 Itanium | ||
Microsoft Windows Server 2008 Itanium | ||
Microsoft Windows 10 | ||
Microsoft Windows 10 | =20h2 | |
Microsoft Windows 10 | =1607 | |
Microsoft Windows 10 | =1803 | |
Microsoft Windows 10 | =1809 | |
Microsoft Windows 10 | =1909 | |
Microsoft Windows 10 | =2004 | |
Microsoft Windows 7 | =sp1 | |
Microsoft Windows 8.1 | ||
Microsoft Windows RT | ||
Microsoft Windows Server 2008 Itanium | =sp2 | |
Microsoft Windows Server 2008 Itanium | =r2-sp1 | |
Microsoft Windows Server 2012 x64 | ||
Microsoft Windows Server 2012 x64 | =r2 | |
Microsoft Windows Server 2016 | ||
Microsoft Windows Server 2016 | =20h2 | |
Microsoft Windows Server 2016 | =1909 | |
Microsoft Windows Server 2016 | =2004 | |
Microsoft Windows Server 2019 | ||
Microsoft Windows Server 2008 Itanium | ||
Microsoft Windows Server 2008 Itanium |
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CVE-2021-1666 is rated as critical due to its potential to allow remote code execution.
To mitigate CVE-2021-1666, apply the security updates provided by Microsoft for the affected versions of Windows.
CVE-2021-1666 affects various versions of Microsoft Windows including Windows 10, Windows Server 2008 R2, and Windows Server 2019.
Yes, CVE-2021-1666 can be exploited remotely if the attacker has access to the affected system.
Yes, Microsoft has released several patches for CVE-2021-1666 that should be installed as soon as possible.