Vulnerability in Microsoft Windows Server 2016
CVE-2025-21225
Windows Remote Desktop Gateway (RD Gateway) Denial of Service Vulnerability
EPSS: 0.015 (71.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Microsoft Windows Server 2016 — versions 10.0.14393.0
- Microsoft Windows_server_2016
- Microsoft Windows Server 2016 (Server Core Installation) — versions 10.0.14393.0
- Microsoft Windows Server 2019 — versions 10.0.17763.0
- Microsoft Windows_server_2019
- Microsoft Windows Server 2019 (Server Core Installation) — versions 10.0.17763.0
- Microsoft Windows Server 2022 — versions 10.0.20348.0
- Microsoft Windows_server_2022
- Microsoft Windows_server_2022_23h2
- Microsoft Windows Server 2022, 23h2 Edition (Server Core Installation) — versions 10.0.25398.0
Weakness classification (CWE)
References
- secure@microsoft.com (vendor-advisory, Patch, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-21225?
- CVE-2025-21225 is a medium-severity vulnerability in Microsoft Windows Server 2016, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 5.9/10. Published 2025-01-14.
- How severe is CVE-2025-21225?
- Medium severity. CVSS v3 base score is 5.9 out of 10.