CVE-2025-21367: Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability
First published: Tue Feb 11 2025(Updated: )
Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 11 | =24H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows Server 2022 23H2 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2025 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows Server 2025 | ||
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows 11 | =24H2 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows 10 | =22H2 | |
| =24H2 | ||
| =24H2 | ||
| =23H2 | ||
| =23H2 | ||
| =22H2 | ||
| =22H2 | ||
| =22H2 | ||
| =22H2 | ||
| =21H2 | ||
| =21H2 | ||
| =21H2 | ||
| =22H2 | ||
| =1809 | ||
| =1809 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-21367?
CVE-2025-21367 is considered to have a high severity, allowing elevation of privilege due to a flaw in the Windows Win32 Kernel Subsystem.
How do I fix CVE-2025-21367?
To fix CVE-2025-21367, ensure you apply the latest security updates provided by Microsoft for the affected Windows versions.
What versions of Windows are affected by CVE-2025-21367?
CVE-2025-21367 affects multiple versions of Windows, including Windows 10 and Windows 11 across different editions and configurations.
Can CVE-2025-21367 be exploited remotely?
CVE-2025-21367 requires local access to exploit, making it less likely to be remotely exploited.
Is there a workaround for CVE-2025-21367?
Currently, Microsoft recommends applying the security patches as there are no known workarounds for CVE-2025-21367.
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- vendor/microsoft
- canonical/microsoft windows 10
- version/microsoft windows 10/22h2
- canonical/microsoft windows 11
- version/microsoft windows 11/24h2
- version/microsoft windows 10/21h2
- version/microsoft windows 10/1809
- version/microsoft windows 11/22h2
- canonical/microsoft windows server 2022 23h2
- canonical/microsoft windows server 2025
- canonical/microsoft windows server 2022
- version/microsoft windows 11/23h2
- canonical/microsoft windows server 2019