CVE-2021-31166—Microsoft HTTP Protocol Stack Remote Code Execution Vulnerability

PUBLISHEDvulnerability record
2022-04-06 · last modified June 21, 2025

Metadata

CVE ID:
CVE-2021-31166
Project:
Microsoft
Product:
HTTP Protocol Stack
Date Added:
2022-04-06
Due Date:
2022-04-27
Last Updated:
June 21, 2025

Vulnerability Name

Microsoft HTTP Protocol Stack Remote Code Execution Vulnerability

Description

Microsoft HTTP Protocol Stack contains a vulnerability in http.sys that allows for remote code execution.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
Unknown

Action

Apply updates per vendor instructions.

Additional Notes

  • https://nvd.nist.gov/vuln/detail/CVE-2021-31166

Related Weaknesses

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