CVE-2025-21309

EUVD-2025-2374
Windows Remote Desktop Services Remote Code Execution Vulnerability
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
microsoftCNA
8.1 HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Base Score
CVSS 3.x
EPSS Score
Percentile: 74%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_server_2012
-
microsoftwindows_server_2016
𝑥
< 10.0.14393.7699
microsoftwindows_server_2019
𝑥
< 10.0.17763.6775
microsoftwindows_server_2022
𝑥
< 10.0.20348.3091
microsoftwindows_server_2022_23h2
𝑥
< 10.0.25398.1369
microsoftwindows_server_2025
𝑥
< 10.0.26100.2894
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows Server 2012
Server Core
KB5050004
Standard
KB5050004
Windows Server 2012 R2
Server Core
KB5050048
Standard
KB5050048
Windows Server 2016
Server Core
KB5049993
Standard
KB5049993
Windows Server 2019
Server Core
KB5050008
Standard
KB5050008
Windows Server 2022
23H2 Server Core
KB5049984
Server Core
KB5049983
Standard
KB5049983
Windows Server 2025
Server Core
KB5050009
Standard
KB5050009
Common Weakness Enumeration
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21309