CWE
125
EPSS
0.043%
Advisory Published
CVE Published
Updated

CVE-2025-21374: Windows CSC Service Information Disclosure Vulnerability

First published: Tue Jan 14 2025(Updated: )

Windows CSC Service Information Disclosure Vulnerability

Credit: secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2025
Microsoft Windows Server 2025
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2022 23H2
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Windows 11=23H2
Windows 11=23H2
Windows 11=22H2
Windows 11=22H2
Windows 11=24H2
Windows 11=24H2
Microsoft Windows Server 2022
Microsoft Windows Server 2022
Microsoft Windows 10<10.0.10240.20890
Microsoft Windows 10<10.0.10240.20890
Microsoft Windows 10<10.0.14393.7699
Microsoft Windows 10<10.0.14393.7699
Microsoft Windows 10<10.0.17763.6775
Microsoft Windows 10<10.0.17763.6775
Microsoft Windows 10<10.0.19044.5371
Microsoft Windows 10<10.0.19045.5371
Windows 11<10.0.22621.4751
Windows 11<10.0.22631.4751
Windows 11<10.0.26100.2894
Microsoft Windows Server
Microsoft Windows Server=r2
Microsoft Windows Server 2016<10.0.14393.7699
Microsoft Windows Server 2019<10.0.17763.6775
Microsoft Windows Server 2022<10.0.20348.3091
Microsoft Windows Server 2022<10.0.25398.1369
Microsoft Windows Server 2025<10.0.26100.2894
Microsoft Windows Server 2016
Microsoft Windows Server 2016
Windows 10=1809
Windows 10=1809
Windows 10=22H2
Windows 10=22H2
Windows 10=22H2
Windows 10=1607
Windows 10=1607
Windows 10=21H2
Windows 10=21H2
Windows 10=21H2
Windows 10
Windows 10

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Frequently Asked Questions

  • What is the severity of CVE-2025-21374?

    The severity of CVE-2025-21374 is categorized as high due to its potential for information disclosure.

  • How do I fix CVE-2025-21374?

    To fix CVE-2025-21374, apply the relevant security patches provided by Microsoft for your affected Windows version.

  • Which versions of Windows are affected by CVE-2025-21374?

    CVE-2025-21374 affects multiple versions of Windows, including Windows Server 2016, Windows 10, and Windows 11.

  • What is the impact of CVE-2025-21374?

    CVE-2025-21374 can allow an attacker to access sensitive information from the Windows CSC service.

  • Is there a known exploit for CVE-2025-21374?

    As of now, there are no widely known exploits for CVE-2025-21374, but users are advised to patch the vulnerability promptly.

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