PULSE
LIVE37signals / 24h
ES
FEED
ransomgunra reclama a Dissinger and Dissinger Law Firm · US · Business Servicesransomplay reclama a Boston Electric and Telephone · US · Telecommunicationransomplay reclama a Wring Group · GB · Not Foundransomincransom reclama a asa-international.com · GB · Business Servicesransomplay reclama a AG Scholtes · NL · Manufacturingransomplay reclama a Andorra Life · AD · Healthcareransomplay reclama a Svensk Direktreklam · SE · Business Servicesransomchaos reclama a radiax.com · US · Technologyransominterlock reclama a Converting Equipment International · GB · Manufacturingransomblack x reclama a sanaa · YE · Not Foundransomthegentlemen reclama a Tangram Interiors · GB · Business Servicesransomthegentlemen reclama a BRAC · BD · Business Servicesransomthegentlemen reclama a Customs Watch · US · Public Sectorransomthegentlemen reclama a Gallant · FI · Not Foundransomgunra reclama a Dissinger and Dissinger Law Firm · US · Business Servicesransomplay reclama a Boston Electric and Telephone · US · Telecommunicationransomplay reclama a Wring Group · GB · Not Foundransomincransom reclama a asa-international.com · GB · Business Servicesransomplay reclama a AG Scholtes · NL · Manufacturingransomplay reclama a Andorra Life · AD · Healthcareransomplay reclama a Svensk Direktreklam · SE · Business Servicesransomchaos reclama a radiax.com · US · Technologyransominterlock reclama a Converting Equipment International · GB · Manufacturingransomblack x reclama a sanaa · YE · Not Foundransomthegentlemen reclama a Tangram Interiors · GB · Business Servicesransomthegentlemen reclama a BRAC · BD · Business Servicesransomthegentlemen reclama a Customs Watch · US · Public Sectorransomthegentlemen reclama a Gallant · FI · Not Found
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CVE Watch—

CVE-2021-31166

Microsoft HTTP Protocol Stack Remote Code Execution Vulnerability

CVSS

—

No CVSS

EPSS

99.7%

p100

KEV

YES

Apr 6, 2022

Exploit Today

80

0-100

Published: — · Last modified: —

EPSS · 30d
99.6%EPSS · 30 days99.7%
2026-06-302026-07-16
KEV catalog record

Product

Microsoft / HTTP Protocol Stack

Vulnerability

Microsoft HTTP Protocol Stack Remote Code Execution Vulnerability

Added to KEV

Apr 6, 2022

Remediate by

Apr 27, 2022

Known ransomware use

No

Summary description

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

Required action

Apply updates per vendor instructions.

Notes

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

Related CVEs

No related CVEs by CWE or product.