CVE-2021-31956: Windows NTFS Elevation of Privilege Vulnerability
First published: Tue Jun 08 2021(Updated: )
Microsoft Windows New Technology File System (NTFS) contains an unspecified vulnerability that allows attackers to escalate privileges via a specially crafted application.
Credit: secure@microsoft.com secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Windows 10 | =1809 | |
| Microsoft Windows 10 | <10.0.10240.18967 | |
| Microsoft Windows 10 | <10.0.14393.4467 | |
| Microsoft Windows 10 | <10.0.17763.1999 | |
| Microsoft Windows 10 | <10.0.18363.1621 | |
| Microsoft Windows 10 | <10.0.19041.1052 | |
| Microsoft Windows 10 | <10.0.19042.1052 | |
| Microsoft Windows 10 | <10.0.19043.1052 | |
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows | ||
| Microsoft Windows RT | ||
| Microsoft Windows Server 2004 | <10.0.19041.1052 | |
| Microsoft Windows Server | =r2-sp1 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | ||
| Microsoft Windows Server | =r2 | |
| Microsoft Windows Server 2016 | <10.0.14393.4467 | |
| Microsoft Windows Server 2019 | <10.0.17763.1999 | |
| Microsoft Windows Server 20H2 | <10.0.19042.1052 | |
| Windows 10 | ||
| Windows 10 | =20h2 | |
| Windows 10 | =21h1 | |
| Windows 10 | =1607 | |
| Windows 10 | =1909 | |
| Windows 10 | =2004 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2016 | =20h2 | |
| Microsoft Windows Server 2016 | =2004 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Operating System |
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Reference Links
Frequently Asked Questions
What is CVE-2021-31956?
CVE-2021-31956 is a vulnerability in Microsoft Windows NTFS that allows attackers to escalate privileges.
What software is affected by CVE-2021-31956?
Microsoft Windows 10, Windows 7, Windows 8.1, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows Server 2016, and Windows Server 2019 are affected.
How severe is CVE-2021-31956?
CVE-2021-31956 has a severity rating of 7.8 (critical).
How can I fix CVE-2021-31956?
Apply the latest security updates from Microsoft to fix CVE-2021-31956.
Where can I find more information about CVE-2021-31956?
You can find more information about CVE-2021-31956 on the Microsoft Security Guidance website.
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