CVE-2022-21899

EUVD-2022-27055
Windows Extensible Firmware Interface Security Feature Bypass Vulnerability
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
microsoftCNA
5.5 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Base Score
CVSS 3.x
EPSS Score
Percentile: 50%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_10
-
microsoftwindows_10
-
microsoftwindows_7
-
microsoftwindows_7
-
microsoftwindows_8.1
-
microsoftwindows_rt_8.1
-
microsoftwindows_server_2012
-
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows 10
(x64, x86)
KB5009585
Windows 7
Service Pack 1 (x64, x86)
KB5009621
Windows 8.1
(x64, x86)
KB5009624
Windows RT 8.1
All
KB5009624
Windows Server 2008 R2
Service Pack 1 (x64)
KB5009621
Service Pack 1 Server Core (x64)
KB5009621
Windows Server 2012
Server Core
KB5009619
Standard
KB5009619
Windows Server 2012 R2
Server Core
KB5009624
Standard
KB5009624
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21899
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21899
https://www.zerodayinitiative.com/advisories/ZDI-22-052/