CVE-2021-40463
At a glance
- Severity
- HIGH 7.7
- EPSS
- EPSS 2.58 % · percentile 85 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- microsoft
- NVD status
- Modified
Description
Windows Network Address Translation (NAT) Denial of Service Vulnerability
Scores
| Version | Score | Vector | Scored by |
|---|
| CVSS 3.1 | HIGH 7.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C | microsoft |
| CVSS 3.1 | HIGH 7.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H | NVD · secure@microsoft.com (Secondary) |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Secondary) |
| CVSS 2.0 | MEDIUM 4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P | NVD · nvd@nist.gov (Primary) |
European references
CERT-FR advisories
Affected configurations (NVD CPE)
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:arm64:*cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:arm64:*cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:arm64:*cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:arm64:*cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:arm64:*cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:arm64:*cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2012:-:r2:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
Affected products
References
Sources
