Cyber Resilience

CVE-2025-21225

Medium

Published: 14 January 2025

Published
14 January 2025
Modified
27 January 2025
KEV Added
—
Patch
—
CVSS Score v3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0032 55.9th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-21225 is a medium-severity Type Confusion (CWE-843) vulnerability in Microsoft Windows Server 2016. Its CVSS base score is 5.9 (Medium).

Operationally, ranked in the top 44.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Windows Remote Desktop Gateway (RD Gateway) Denial of Service Vulnerability

CWE(s)
CWE-843NVD-CWE-noinfo

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

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 23h2
≤ 10.0.25398.1369
microsoft
windows server 2025
≤ 10.0.26100.2894

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References