CVE-2021-41357: Microsoft Win32k Privilege Escalation Vulnerability
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 secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows 10 | =20h2 | |
| Microsoft Windows 10 | =21h1 | |
| Microsoft Windows 10 | =2004 | |
| Microsoft Windows 11 | ||
| Microsoft Windows 11 | ||
| Microsoft Windows Server 2016 | =20h2 | |
| Microsoft Windows Server 2016 | =2004 | |
| Microsoft Windows Server 2022 | ||
| 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 2022 | <10.0.20348.288 | |
| Microsoft Windows Server 20h2 | <10.0.19042.1288 | |
| Microsoft Win32k | ||
| <10.0.19041.1288 | ||
| <10.0.19042.1288 | ||
| <10.0.19043.1288 | ||
| <10.0.22000.258 | ||
| <10.0.19041.1288 | ||
| <10.0.20348.288 | ||
| <10.0.19042.1288 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-41357?
CVE-2021-41357 is a vulnerability in Microsoft Win32k that allows for privilege escalation.
How severe is CVE-2021-41357?
CVE-2021-41357 has a severity rating of 7.8 (high).
Which software versions are affected by CVE-2021-41357?
Microsoft Windows 10 (20H2, 21H1, 2004), Microsoft Windows 11 (ARM64, x64), Microsoft Windows Server 2016 (20H2, 2004), and Microsoft Windows Server 2022 are affected by CVE-2021-41357.
How can I fix CVE-2021-41357?
To fix CVE-2021-41357, apply the necessary security updates provided by Microsoft.
Where can I find more information about CVE-2021-41357?
More information about CVE-2021-41357 can be found on the Microsoft Security Guidance Advisory: [https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41357](https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41357)
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