HIGH 8.1 Microsoft
CVE-2025-21309
Windows Remote Desktop Services Remote Code Execution Vulnerability
Microsoft Security Update 2025-Jan: Windows Remote Desktop Services Remote Code Execution Vulnerability
Affected Products
- Windows Server 2019
- Windows Server 2019 (Server Core installation)
- Windows Server 2022
- Windows Server 2022 (Server Core installation)
- Windows Server 2025 (Server Core installation)
- Windows Server 2022, 23H2 Edition (Server Core installation)
- Windows Server 2025
- Windows Server 2016
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21309
- https://nvd.nist.gov/vuln/detail/CVE-2025-21309
This high severity vulnerability with a CVSS score of 8.1 was published on 2025-01-14 via Microsoft. EPSS score: 15.0% (top 4% of all CVEs by exploitation probability). Affected: Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022 and 5 more.
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