8.1
CWE
591
EPSS
0.091%
Advisory Published
CVE Published
Updated

CVE-2025-21309: Windows Remote Desktop Services Remote Code Execution Vulnerability

First published: Tue Jan 14 2025(Updated: )

Windows Remote Desktop Services Remote Code Execution Vulnerability

Credit: secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft Windows Server 2025
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows Server 2025
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2022
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2022 23H2
Microsoft Windows Server
Microsoft Windows Server
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

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Frequently Asked Questions

  • What is the severity of CVE-2025-21309?

    CVE-2025-21309 is classified as a critical vulnerability due to its potential for remote code execution.

  • How do I fix CVE-2025-21309?

    To fix CVE-2025-21309, apply the latest security patches provided by Microsoft for affected Windows Server versions.

  • Which Windows Server versions are affected by CVE-2025-21309?

    CVE-2025-21309 affects various versions including Windows Server 2025, 2022, 2019, 2016, and 2012.

  • What type of vulnerability is CVE-2025-21309?

    CVE-2025-21309 is a remote code execution vulnerability found in Windows Remote Desktop Services.

  • Is CVE-2025-21309 exploitable remotely?

    Yes, CVE-2025-21309 can be exploited remotely by an attacker to execute arbitrary code on affected systems.

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