CVE-2025-27731: Microsoft OpenSSH for Windows Elevation of Privilege Vulnerability
First published: Tue Apr 08 2025(Updated: )
<p>Improper input validation in OpenSSH for Windows allows an authorized attacker to elevate privileges locally.</p>
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2025 | ||
| Windows 10 | =1809 | |
| Windows 10 | =21H2 | |
| Windows 11 | =23H2 | |
| Microsoft Windows Server 2019 | ||
| Windows 11 | =24H2 | |
| Windows 10 | =22H2 | |
| Windows 11 | =24H2 | |
| Windows 10 | =22H2 | |
| Windows 11 | =22H2 | |
| Microsoft Windows Server 2025 | ||
| Windows 10 | =1809 | |
| Windows 10 | =21H2 | |
| Windows 11 | =23H2 | |
| Windows 11 | =22H2 | |
| Microsoft Windows Server 2022 23H2 | ||
| Windows 10 | =22H2 | |
| Windows 10 | =21H2 | |
| Microsoft OpenSSH for Windows | ||
| =24H2 | ||
| =24H2 | ||
| =23H2 | ||
| =23H2 | ||
| =22H2 | ||
| =22H2 | ||
| =22H2 | ||
| =22H2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-27731?
The severity of CVE-2025-27731 is considered high due to its potential for allowing an authorized attacker to elevate privileges locally.
How do I fix CVE-2025-27731?
To fix CVE-2025-27731, apply the appropriate security patches provided by Microsoft for affected versions of Windows and OpenSSH.
Which software versions are affected by CVE-2025-27731?
CVE-2025-27731 affects Microsoft Windows Server 2022, Windows Server 2019, Windows 10, and Windows 11 across multiple versions and editions.
What impact does CVE-2025-27731 have on systems?
CVE-2025-27731 allows an authorized attacker to execute code with elevated privileges, posing significant security risks to system integrity.
Is there a workaround for CVE-2025-27731?
While applying the patch is the recommended solution for CVE-2025-27731, administrators should also review access controls to limit potential exploitation.
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