CVE-2025-27738: Windows Resilient File System (ReFS) Information Disclosure Vulnerability
Improper access control in Windows Resilient File System (ReFS) allows an authorized attacker to disclose information over a network.
Other sources
Windows Resilient File System (ReFS) Information Disclosure Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
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Fixed in 6.2.9200.25423Patch KB5055581 - Upgrade
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Fixed in 10.0.17763.7136Patch KB5055519 - Upgrade
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Fixed in 10.0.19044.5737Patch KB5055518 - Upgrade
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Fixed in 6.3.9600.22523Patch KB5055557 - Upgrade
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Fixed in 10.0.22621.5189Patch KB5055528 - Upgrade
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Fixed in 10.0.14393.7969Patch KB5055521 - Upgrade
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Fixed in 10.0.20348.3453Patch KB5055526 - Upgrade
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Fixed in 10.0.22631.5189Patch KB5055528 - Upgrade
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Fixed in 10.0.19045.5737Patch KB5055518 - Upgrade
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Fixed in 10.0.10240.20978Patch KB5055547 - Upgrade
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Fixed in 10.0.26100.3775Patch KB5055523 - Upgrade
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Fixed in 10.0.25398.1551Patch KB5055527
Event History
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.