First published: Wed Oct 13 2021(Updated: )
Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation.
Credit: secure@microsoft.com secure@microsoft.com
Affected Software | Affected Version | How to fix |
---|---|---|
Microsoft Win32k | ||
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 | =1809 | |
Microsoft Windows 10 | =1809 | |
Microsoft Windows 10 | =1809 | |
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 2016 | =2004 | |
Microsoft Windows Server 2019 | ||
Microsoft Windows Server 2022 | ||
Microsoft Windows 10 1809 | <10.0.17763.2237 | |
Microsoft Windows 10 1909 | <10.0.18363.1854 | |
Microsoft Windows 10 2004 | <10.0.19041.1288 | |
Microsoft Windows 10 20h2 | <10.0.19042.1288 | |
Microsoft Windows 10 21h1 | <10.0.19043.1288 | |
Microsoft Windows 11 21h2 | <10.0.22000.258 | |
Microsoft Windows Server 2004 | <10.0.19041.1288 | |
Microsoft Windows Server 2019 | <10.0.17763.2237 | |
Microsoft Windows Server 2022 | <10.0.20348.288 | |
Microsoft Windows Server 20h2 | <10.0.19042.1288 |
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CVE-2021-40450 is a vulnerability in Microsoft Win32k that allows for privilege escalation.
Microsoft Windows 10 versions 20H2, 21H1, 1809, 1909, and 2004, Microsoft Windows 11, and Microsoft Windows Server versions 20H2, 2016, 2019, and 2022 are affected by CVE-2021-40450.
CVE-2021-40450 has a severity rating of 7.8, which is considered high.
To fix CVE-2021-40450, Microsoft has released a security update. It is recommended to update your system to the latest version of Microsoft Windows or Windows Server.
You can find more information about CVE-2021-40450 on the Microsoft Security Guidance website.