CVE-2022-21882: Microsoft Win32k Privilege Escalation Vulnerability
First published: Tue Jan 11 2022(Updated: )
Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation.
Credit: secure@microsoft.com 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 | =1809 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =1909 | |
| Microsoft Windows 10 | =1909 | |
| Microsoft Windows 10 | =1909 | |
| Microsoft Windows 11 | ||
| Microsoft Windows 11 | ||
| Microsoft Windows Server | =20h2 | |
| Microsoft Windows Server | =2022 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Win32k | ||
| Microsoft Windows 11 | =21H2 | |
| Microsoft Windows 10 | =1909 | |
| Microsoft Windows 10 | =20H2 | |
| Microsoft Windows 11 | =21H2 | |
| Microsoft Windows Server 2022 | ||
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =20H2 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows Server | =20H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =1909 | |
| Microsoft Windows 10 | =21H1 | |
| Microsoft Windows 10 | =21H1 | |
| Microsoft Windows Server 2022 | ||
| Microsoft Windows 10 | =1909 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows 10 | =21H1 | |
| Microsoft Windows 10 1809 | <10.0.17763.2452 | |
| Microsoft Windows 10 1809 | <10.0.17763.2452 | |
| Microsoft Windows 10 1909 | <10.0.18363.2037 | |
| Microsoft Windows 10 20h2 | <10.0.19042.1466 | |
| Microsoft Windows 10 21h1 | <10.0.19043.1466 | |
| Microsoft Windows 10 21h2 | <10.0.19044.1466 | |
| Microsoft Windows 11 21h2 | <10.0.22000.434 | |
| Microsoft Windows Server 2019 | <10.0.17763.2452 | |
| Microsoft Windows Server 2022 | <10.0.20348.469 | |
| Microsoft Windows Server 20h2 | <10.0.19042.1466 |
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Reference Links
- http://packetstormsecurity.com/files/166169/Win32k-ConsoleControl-Offset-Confusion-Privilege-Escalation.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21882
- https://nvd.nist.gov/vuln/detail/CVE-2022-21882
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21882 (Advisory)
Frequently Asked Questions
What is CVE-2022-21882?
CVE-2022-21882 is a privilege escalation vulnerability in Microsoft Win32k.
Which software is affected by CVE-2022-21882?
Microsoft Windows 10 versions 20H2, 21H1, 21H2, 1809, and 1909, Microsoft Windows 11, and Microsoft Windows Server versions 20H2 and 2022 are affected by CVE-2022-21882.
What is the severity of CVE-2022-21882?
CVE-2022-21882 has a severity rating of 7.8 (High).
How can I fix CVE-2022-21882?
To fix CVE-2022-21882, apply the security updates provided by Microsoft.
Where can I find more information about CVE-2022-21882?
You can find more information about CVE-2022-21882 on the Microsoft Security Guidance Advisory page and the Packet Storm Security website.
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