CVE-2021-40463
Windows Network Address Translation (NAT) Denial of Service Vulnerability
CVE-2021-40463 is fixed in 35 products on 1 platform, first by KB5006669, released October 12, 2021. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.7
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0258
85th percentile
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.4704 | KB5006669 | Oct 12, 2021 |
| Windows 10 Version 1607 for x64-based Systems | 14393.4704 | KB5006669 | Oct 12, 2021 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.2237 | KB5006672 | Oct 12, 2021 |
| Windows 10 Version 1809 for ARM64-based Systems | 17763.2237 | KB5006672 | Oct 12, 2021 |
| Windows 10 Version 1809 for x64-based Systems | 17763.2237 | KB5006672 | Oct 12, 2021 |
| Windows 10 Version 1909 for 32-bit Systems | 18363.1854 | KB5006667 | Oct 12, 2021 |
| Windows 10 Version 1909 for ARM64-based Systems | 18363.1854 | KB5006667 | Oct 12, 2021 |
| Windows 10 Version 1909 for x64-based Systems | 18363.1854 | KB5006667 | Oct 12, 2021 |
| Windows 10 Version 2004 for 32-bit Systems | KB5006670 | Oct 12, 2021 | |
| Windows 10 Version 2004 for ARM64-based Systems | KB5006670 | Oct 12, 2021 | |
| Windows 10 Version 2004 for x64-based Systems | KB5006670 | Oct 12, 2021 | |
| Windows 10 Version 20H2 for 32-bit Systems | KB5006670 | Oct 12, 2021 | |
| Windows 10 Version 20H2 for ARM64-based Systems | KB5006670 | Oct 12, 2021 | |
| Windows 10 Version 21H1 for 32-bit Systems | KB5006670 | Oct 12, 2021 | |
| Windows 10 Version 21H1 for ARM64-based Systems | KB5006670 | Oct 12, 2021 | |
| Windows 10 Version 21H1 for x64-based Systems | KB5006670 | Oct 12, 2021 | |
| Windows 10 for 32-bit Systems | 10240.19086 | KB5006675 | Oct 12, 2021 |
| Windows 10 for x64-based Systems | 10240.19086 | KB5006675 | Oct 12, 2021 |
| Windows 11 version 21H2 for ARM64-based Systems | 22000.258 | KB5006674 | Oct 12, 2021 |
| Windows 11 version 21H2 for x64-based Systems | 22000.258 | KB5006674 | Oct 12, 2021 |
| Windows 8.1 for 32-bit systems | KB5006714 | Oct 12, 2021 | |
| Windows 8.1 for 32-bit systems | KB5006729 | Oct 12, 2021 | |
| Windows 8.1 for x64-based systems | KB5006714 | Oct 12, 2021 | |
| Windows 8.1 for x64-based systems | KB5006729 | Oct 12, 2021 | |
| Windows RT 8.1 | KB5006714 | Oct 12, 2021 | |
| Windows Server 2012 | KB5006732 | Oct 12, 2021 | |
| Windows Server 2012 | KB5006739 | Oct 12, 2021 | |
| Windows Server 2012 (Server Core installation) | KB5006732 | Oct 12, 2021 | |
| Windows Server 2012 (Server Core installation) | KB5006739 | Oct 12, 2021 | |
| Windows Server 2012 R2 | KB5006714 | Oct 12, 2021 | |
| Windows Server 2012 R2 | KB5006729 | Oct 12, 2021 | |
| Windows Server 2012 R2 (Server Core installation) | KB5006714 | Oct 12, 2021 | |
| Windows Server 2012 R2 (Server Core installation) | KB5006729 | Oct 12, 2021 | |
| Windows Server 2016 | 14393.4704 | KB5006669 | Oct 12, 2021 |
| Windows Server 2016 (Server Core installation) | 14393.4704 | KB5006669 | Oct 12, 2021 |
| Windows Server 2019 | 17763.2237 | KB5006672 | Oct 12, 2021 |
| Windows Server 2019 (Server Core installation) | 17763.2237 | KB5006672 | Oct 12, 2021 |
| Windows Server 2022 | 20348.288 | KB5006699 | Oct 12, 2021 |
| Windows Server 2022 (Server Core installation) | 20348.288 | KB5006699 | Oct 12, 2021 |
| Windows Server, version 2004 (Server Core installation) | KB5006670 | Oct 12, 2021 | |
| Windows Server, version 20H2 (Server Core Installation) | KB5006670 | Oct 12, 2021 | |
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