CVE-2021-40463
High
Published: 13 October 2021
Published
13 October 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
7.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
EPSS Score
0.0912
92.9th percentile
Risk Priority
21
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-40463 is a high-severity an unspecified weakness vulnerability in Microsoft Windows 10. Its CVSS base score is 7.7 (High).
Operationally, ranked in the top 7.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-27640
Vulnerability details
Windows Network Address Translation (NAT) Denial of Service 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 21h2
all versions
microsoft
windows 8.1
all versions
microsoft
windows rt 8.1
all versions
microsoft
windows server 2012
all versions
microsoft
windows server 2016
2004, 20h2, all versions
microsoft
windows server 2019
all versions
microsoft
windows server 2022
all versions
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.