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Status published
Critical
CVE-2021-31166
HTTP Protocol Stack Remote Code Execution Vulnerability
Vulnerability Description
HTTP Protocol Stack Remote Code Execution Vulnerability
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
Microsoft
View all reports →Affected Software
Windows 10 Version 2004, Windows Server version 2004, Windows 10 Version 20H2, Windows Server version 20H2
Vulnerable Versions:
10.0.0
Timeline
Official Publish:
May 11th, 2021
Last Modified:
October 21st, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.