CVE-2022-21850
Published: 11 January 2022
Summary
CVE-2022-21850 is a high-severity an unspecified weakness vulnerability in Microsoft Windows 10. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 6.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2022-21850 is a remote code execution vulnerability in the Remote Desktop Client component of affected Microsoft Windows systems. It carries a CVSS 3.1 base score of 8.8, reflecting network attack vector, low attack complexity, no required privileges, and required user interaction, with high impact on confidentiality, integrity, and availability.
An attacker can exploit the flaw by serving a malicious RDP endpoint that a victim is tricked into connecting to, resulting in arbitrary code execution on the client system without further user action beyond initiating the session.
Microsoft security advisories for CVE-2022-21850 direct administrators to apply the patches released in the corresponding monthly update cycle to address the issue.
The EPSS score rose from low values after the January 2022 disclosure to a peak of 0.1804 on 2025-01-22 before receding to the current 0.0998, indicating a later surge in exploitation interest that warrants renewed attention.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-27006
Vulnerability details
Remote Desktop Client Remote Code Execution Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.