Vulnerability · Published Jan 11, 2022 · Assigned by microsoft

CVE-2022-21899Windows Extensible Firmware Interface Security Feature Bypass Vulnerability

Medium 5.5

In plain English

A medium-severity security flaw in Windows 10 Version 1507 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)1.5%top 26.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Windows Extensible Firmware Interface Security Feature Bypass Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1507 10.0.10240.0 – before 10.0.10240.19177
Microsoft Windows 7 6.1.0 – before 6.1.7601.25829
Microsoft Windows 7 Service Pack 1 6.1.0 – before 6.1.7601.25829
Microsoft Windows 8.1 6.3.0 – before 6.3.9600.20246
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 – before 6.1.7601.25829
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 – before 6.1.7601.25829
Microsoft Windows Server 2012 6.2.9200.0 – before 6.2.9200.23584
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – before 6.2.9200.23584
Microsoft Windows Server 2012 R2 6.3.9600.0 – before 6.3.9600.20246
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – before 6.3.9600.20246

References