Vulnerability · Published Jan 11, 2022 · Assigned by microsoft

CVE-2022-21907HTTP Protocol Stack Remote Code Execution Vulnerability

Critical 9.8

In plain English

A critical-severity security flaw in Windows 10 Version 1809 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 92.8% (higher than 99.8% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)92.8%top 0.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official description

HTTP Protocol Stack Remote Code Execution Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.2452
Microsoft Windows 10 Version 1809 10.0.0 – before 10.0.17763.2452
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.2452
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.2452
Microsoft Windows 10 Version 21H1 10.0.0 – before 10.0.19043.1466
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.469
Microsoft Windows 10 Version 20H2 10.0.0 – before 10.0.19042.1466
Microsoft Windows Server version 20H2 10.0.0 – before 10.0.19042.1466
Microsoft Windows 11 version 21H2 10.0.0 – before 10.0.22000.434
Microsoft Windows 10 Version 21H2 10.0.19043.0 – before 10.0.19044.1466

References