CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2021-31166
Critical (9.8) in Microsoft HTTP Protocol Stack. In CISA KEV since 2022-04-06. EPSS 100% chance of exploitation in the next 30 days.
HTTP Protocol Stack Remote Code Execution Vulnerability
Severity
- EPSS
- 100% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
- CISA KEV
- listed 2022-04-06, due 2022-04-27
- CWE
- CWE-416
- Published
- Modified
- Record from
- the NVD, synced
Affected
- microsoft:windows_10_2004
- microsoft:windows_10_20h2
- microsoft:windows_server_2004
- microsoft:windows_server_20h2
References
- 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