CVE-2025-27738: Windows Resilient File System (ReFS) Information Disclosure Vulnerability
First published: Tue Apr 08 2025(Updated: )
<p>Improper access control in Windows Resilient File System (ReFS) allows an authorized attacker to disclose information over a network.</p>
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Windows 11 | =23H2 | |
| Windows 10 | =1809 | |
| Microsoft Windows Server 2012 R2 | ||
| Windows 10 | =1809 | |
| Microsoft Windows Server 2016 | ||
| Windows 11 | =24H2 | |
| Windows 11 | =22H2 | |
| Windows 10 | =21H2 | |
| Microsoft Windows Server 2022 | ||
| Windows 10 | =22H2 | |
| Microsoft Windows Server 2019 | ||
| Windows 10 | =22H2 | |
| Windows 10 | =1607 | |
| Windows 11 | =22H2 | |
| Microsoft Windows Server 2025 | ||
| Windows 10 | =1607 | |
| Microsoft Windows Server 2016 | ||
| Windows 10 | =21H2 | |
| Microsoft Windows Server 2025 | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server | ||
| Windows 10 | =21H2 | |
| Windows 11 | =23H2 | |
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2022 | ||
| Windows 11 | =24H2 | |
| Windows 10 | =22H2 | |
| Microsoft Windows Server 2022 23H2 | ||
| Windows 10 | ||
| Windows 10 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-27738?
CVE-2025-27738 has been rated as a high-severity vulnerability due to its potential for information disclosure.
How do I fix CVE-2025-27738?
To fix CVE-2025-27738, apply the relevant security patches provided by Microsoft for the affected versions of Windows.
Which versions of Windows are affected by CVE-2025-27738?
CVE-2025-27738 affects various versions of Windows including Windows 10, Windows 11, and Windows Server 2012 R2.
What kind of attack does CVE-2025-27738 enable?
CVE-2025-27738 allows an authorized attacker to disclose sensitive information over a network.
Is CVE-2025-27738 a local or remote vulnerability?
CVE-2025-27738 is classified as a remote vulnerability since it can be exploited over a network.
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- version/windows 11/23h2
- version/windows 10/1809
- canonical/microsoft windows server 2012 r2
- canonical/microsoft windows server 2016
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