Vulnerability · Published Jan 11, 2022 · Assigned by microsoft

CVE-2022-21921Windows Defender Credential Guard Security Feature Bypass Vulnerability

Medium 4.4

In plain English

A medium-severity security flaw in Windows 10 Version 20H2 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).

Severity (CVSS 3.1)4.4Medium
Exploit odds (30 days)0.9%top 39.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Windows Defender Credential Guard Security Feature Bypass Vulnerability

Affected products (as reported)

VendorProductVersions
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 10.0.19043.1466

References