CVE-2021-34446

EUVD-2021-21101
Windows HTML Platforms Security Feature Bypass Vulnerability
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
microsoftCNA
8 HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C
Base Score
CVSS 3.x
EPSS Score
Percentile: 82%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_10
-
microsoftwindows_7
-
microsoftwindows_8.1
-
microsoftwindows_rt_8.1
-
microsoftwindows_server_2008
-
microsoftwindows_server_2012
-
microsoftwindows_server_2016
-
microsoftwindows_server_2019
-
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows 10
(x64, x86)
1607 (x64, x86)
1809 (arm64, x64, x86)
1909 (arm64, x64, x86)
2004 (arm64, x64, x86)
20H2 (arm64, x64, x86)
21H1 (arm64, x64, x86)
Windows 7
Service Pack 1 (x64, x86)
Windows 8.1
(x64, x86)
(x64, x86)
Windows RT 8.1
All
Windows Server 2008
Service Pack 2 (x64, x86)
Service Pack 2 (x64, x86)
Windows Server 2008 R2
Service Pack 1 (x64)
Windows Server 2012
Standard
Windows Server 2012 R2
Standard
Standard
Windows Server 2016
Standard
Windows Server 2019
Standard