CVE-2021-42286: Windows Core Shell SI Host Extension Framework for Composable Shell Elevation of Privilege Vulnerability
First published: Wed Nov 10 2021(Updated: )
Windows Core Shell SI Host Extension Framework for Composable Shell Elevation of Privilege Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| =20h2 | ||
| =20h2 | ||
| =20h2 | ||
| =21h1 | ||
| =21h1 | ||
| =21h1 | ||
| =2004 | ||
| =2004 | ||
| =2004 | ||
| =20h2 | ||
| =2004 | ||
| Microsoft Windows 10 | =20h2 | |
| Microsoft Windows 10 | =20h2 | |
| Microsoft Windows 10 | =20h2 | |
| Microsoft Windows 10 | =21h1 | |
| Microsoft Windows 10 | =21h1 | |
| Microsoft Windows 10 | =21h1 | |
| Microsoft Windows 10 | =2004 | |
| Microsoft Windows 10 | =2004 | |
| Microsoft Windows 10 | =2004 | |
| Microsoft Windows Server | =20h2 | |
| Microsoft Windows Server 2016 | =2004 |
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Frequently Asked Questions
What is CVE-2021-42286?
CVE-2021-42286 is a vulnerability in the Windows Core Shell SI Host Extension Framework that allows for the elevation of privilege.
Which versions of Microsoft Windows are affected by CVE-2021-42286?
Microsoft Windows 10 versions 20H2, 21H1, and 2004, as well as Windows Server versions 20H2 and 2016, are affected by CVE-2021-42286.
What is the severity of CVE-2021-42286?
CVE-2021-42286 has a severity rating of 7.8, which is considered high.
How can I fix CVE-2021-42286?
To fix CVE-2021-42286, users should apply the latest security updates from Microsoft.
Where can I find more information about CVE-2021-42286?
More information about CVE-2021-42286 can be found on the Microsoft Security Guidance Advisory page at https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42286.
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