CVE-2021-43240: NTFS Set Short Name Elevation of Privilege Vulnerability
First published: Wed Dec 15 2021(Updated: )
NTFS Set Short Name Elevation of Privilege Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 | =21h2 | |
| Microsoft Windows 10 | =21h2 | |
| Microsoft Windows 10 | =21h2 | |
| Microsoft Windows 10 | =1909 | |
| Microsoft Windows 10 | =1909 | |
| Microsoft Windows 10 | =1909 | |
| Microsoft Windows 10 | =2004 | |
| Microsoft Windows 10 | =2004 | |
| Microsoft Windows 10 | =2004 | |
| Microsoft Windows 11 | ||
| Microsoft Windows 11 | ||
| Microsoft Windows Server | =20h2 | |
| Microsoft Windows Server | =2022 | |
| Microsoft Windows Server 2016 | =2004 | |
| =20h2 | ||
| =20h2 | ||
| =20h2 | ||
| =21h1 | ||
| =21h1 | ||
| =21h1 | ||
| =21h2 | ||
| =21h2 | ||
| =21h2 | ||
| =1909 | ||
| =1909 | ||
| =1909 | ||
| =2004 | ||
| =2004 | ||
| =2004 | ||
| =20h2 | ||
| =2022 | ||
| =2004 |
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Frequently Asked Questions
What is the severity of CVE-2021-43240?
CVE-2021-43240 is rated as a medium severity vulnerability, indicating a potential for elevation of privilege.
How do I fix CVE-2021-43240?
To fix CVE-2021-43240, you should apply the latest security updates provided by Microsoft for your affected version of Windows.
Which Windows versions are affected by CVE-2021-43240?
CVE-2021-43240 affects multiple versions of Windows 10, including 20H2, 21H1, 21H2, and Windows 11, along with several versions of Windows Server.
What type of attack does CVE-2021-43240 enable?
CVE-2021-43240 enables an attacker to execute arbitrary code with elevated privileges on a vulnerable system.
Is CVE-2021-43240 known to be actively exploited?
As of the last update, there are no public reports indicating that CVE-2021-43240 is actively being exploited, but it is advisable to implement fixes promptly.
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- canonical/microsoft windows server 2016
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