CVE-2021-43238
High
Published: 15 December 2021
Published
15 December 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.0042
62.3th percentile
Risk Priority
16
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-43238 is a high-severity Link Following (CWE-59) vulnerability in Microsoft Windows 10. Its CVSS base score is 7.8 (High).
Operationally, ranked in the top 37.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-30182
Vulnerability details
Windows Remote Access Elevation of Privilege Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
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
2022, 20h2
microsoft
windows server 2008
all versions, r2
microsoft
windows server 2012
all versions, r2
microsoft
windows server 2016
2004, all versions
microsoft
windows server 2019
all versions
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.