CVE-2022-21899
Windows Extensible Firmware Interface Security Feature Bypass Vulnerability
MEDIUM
5.5
CVSS Score
Published: January 11, 2022 at 08:23 PM UTC
Updated: June 17, 2026 at 04:27 AM UTC
7 products affected across 1 vendorWindows Server 2012Windows Server 2008Windows 10
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Severity
MEDIUM5.5
Exploit prediction
EPSS 1%
Description
Windows Extensible Firmware Interface Security Feature Bypass Vulnerability
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
All versions
10.0.10240.0 ≤ v < 10.0.10240.1917710.0.10240.0
Affected range stops below 10.0.10240.19177, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.1.7601.25829, so it looks safe — our inference, not a vendor statement
6.3.0 ≤ v < 6.3.9600.202466.3.0
Affected range stops below 6.3.9600.20246, so it looks safe — our inference, not a vendor statement
All versions
Affected range stops below 6.1.7601.25829, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.2.9200.23584, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.3.9600.20246, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
Vendor Advisory
Source: [email protected]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21899Source: af854a3a-2127-422b-91ae-364da2661108
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21899Source: af854a3a-2127-422b-91ae-364da2661108
https://www.zerodayinitiative.com/advisories/ZDI-22-052/CVSS
5.5MEDIUMmicrosoft
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-Other
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