critical9.8Known exploited
CVE-2021-31166
Microsoft HTTP Protocol Stack Remote Code Execution Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2022-04-06. Federal due date: 2022-04-27.
Apply updates per vendor instructions.
Impact
HTTP Protocol Stack Remote Code Execution Vulnerability
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 10 2004 | before 10.0.19041.982 |
| Microsoft | Windows 10 20h2 | before 10.0.19042.982 |
| Microsoft | Windows Server 2004 | before 10.0.19041.982 |
| Microsoft | Windows Server 20h2 | before 10.0.19042.982 |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- http://packetstormsecurity.com/files/162722/Microsoft-HTTP-Protocol-Stack-Remote-Code-Execution.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31166
- http://packetstormsecurity.com/files/162722/Microsoft-HTTP-Protocol-Stack-Remote-Code-Execution.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31166
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31166