CVE-2025-21309: Windows Remote Desktop Services Remote Code Execution Vulnerability

8.1 CVSS

Description

Windows Remote Desktop Services Remote Code Execution Vulnerability

Classification

CVE ID: CVE-2025-21309

CVSS Base Severity: HIGH

CVSS Base Score: 8.1

Affected Products

Vendor: Microsoft

Product: Windows Server 2019

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.11% (probability of being exploited)

EPSS Percentile: 45.72% (scored less or equal to compared to others)

EPSS Date: 2025-02-25 (when was this score calculated)

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21309

Timeline