CVE-2021-38665
High
Published: 10 November 2021
Published
10 November 2021
Modified
07 July 2025
KEV Added
—
Patch
—
CVSS Score v3.1
7.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
EPSS Score
0.0622
91.1th percentile
Risk Priority
19
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-38665 is a high-severity an unspecified weakness vulnerability in Microsoft Windows 10. Its CVSS base score is 7.4 (High).
Operationally, ranked in the top 8.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-25104
Vulnerability details
Remote Desktop Protocol Client Information Disclosure Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
microsoft
remote desktop client
1.2.1672 — 1.2.2677
microsoft
windows 10
1607, 1809, 1909, 2004, 20h2
microsoft
windows 11
all versions
microsoft
windows 7
all versions
microsoft
windows 8.1
all versions
microsoft
windows rt 8.1
all versions
microsoft
windows server 2008
r2
microsoft
windows server 2012
all versions, r2
microsoft
windows server 2016
all versions
microsoft
windows server 2019
all versions
+1 more product configuration(s) — see NVD for full list
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.