by Kastro
Paper/Archive/CVE-2025-50171

CVE-2025-50171

Microsoft Windows 10 Version 21H2 — Remote Desktop Spoofing Vulnerability

EPSS 1%CVSS 9.1
critical.is priorityof 100
40
CVSS 9.1 (CNA)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 63.1.631 × 2012.6No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Missing authorization in Remote Desktop Server allows an unauthorized attacker to perform spoofing over a network.

Affected

ProductAffectedFixed inSource
Windows 10 Version 21H210.0.19044.0 – < 10.0.19044.621610.0.19044.6216CNA
Windows 10 Version 22H210.0.19045.0 – < 10.0.19045.621610.0.19045.6216CNA
Windows 11 version 22H210.0.22621.0 – < 10.0.22621.576810.0.22621.5768CNA
Windows 11 version 22H310.0.22631.0 – < 10.0.22631.576810.0.22631.5768CNA
Windows 11 Version 23H210.0.22631.0 – < 10.0.22631.576810.0.22631.5768CNA
Windows 11 Version 24H210.0.26100.0 – < 10.0.26100.494610.0.26100.4946CNA
Windows Server 202210.0.20348.0 – < 10.0.20348.405210.0.20348.4052CNA
Windows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0 – < 10.0.25398.179110.0.25398.1791CNA
Windows Server 202510.0.26100.0 – < 10.0.26100.494610.0.26100.4946CNA
Windows Server 2025 (Server Core installation)10.0.26100.0 – < 10.0.26100.494610.0.26100.4946CNA

Scores by source

microsoft (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

patchmsrc.microsoft.com/update-guide/vulnerability/CVE-2025-50171