cbcvebase.
CVE-2021-33771
published 2021-07-14

CVE-2021-33771: Windows Kernel Elevation of Privilege Vulnerability

high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
KEVITW
CISA Known Exploited Vulnerabilitydue 2021-11-17
Exploited in the wild
Windows Kernel Elevation of Privilege Vulnerability

Affected

38 ranges· showing 25
VendorProductVersion rangeFixed in
microsoftwindows_10_1507< 10.0.10240.1900310.0.10240.19003
microsoftwindows_10_1607< 10.0.14393.453010.0.14393.4530
microsoftwindows_10_1809< 10.0.17763.206110.0.17763.2061
microsoftwindows_10_1909< 10.0.18363.167910.0.18363.1679
microsoftwindows_10_2004< 10.0.19041.111010.0.19041.1110
microsoftwindows_10_20h2< 10.0.19042.111010.0.19042.1110
microsoftwindows_10_21h1< 10.0.19043.111010.0.19043.1110
microsoftwindows_10_version_1507>= 10.0.0 < 10.0.10240.1900310.0.10240.19003
microsoftwindows_10_version_1607>= 10.0.0 < 10.0.14393.453010.0.14393.4530
microsoftwindows_10_version_1809>= 10.0.0 < 10.0.17763.206110.0.17763.2061
microsoftwindows_10_version_1909>= 10.0.0 < 10.0.18363.167910.0.18363.1679
microsoftwindows_10_version_2004>= 10.0.0 < 10.0.19041.111010.0.19041.1110
microsoftwindows_10_version_20h2>= 10.0.0 < 10.0.19042.111010.0.19042.1110
microsoftwindows_10_version_21h1>= 10.0.0 < 10.0.19043.111010.0.19043.1110
microsoftwindows_8.1>= 6.3.0 < 6.3.9600.200696.3.9600.20069
microsoftwindows_server_2004< 10.0.19041.111010.0.19041.1110
microsoftwindows_server_2012_r2>= 6.3.0 < 6.3.9600.200696.3.9600.20069
microsoftwindows_server_2016< 10.0.14393.453010.0.14393.4530
microsoftwindows_server_2016>= 10.0.0 < 10.0.14393.453010.0.14393.4530
microsoftwindows_server_2019< 10.0.17763.206110.0.17763.2061
microsoftwindows_server_2019>= 10.0.0 < 10.0.17763.206110.0.17763.2061
microsoftwindows_server_20h2< 10.0.19042.111010.0.19042.1110
microsoftwindows_server_version_2004>= 10.0.0 < 10.0.19041.111010.0.19041.1110
microsoftwindows_server_version_20h2>= 10.0.0 < 10.0.19042.111010.0.19042.1110
msrcwindows_10

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vulncheck7.8HIGH
cisa7.8HIGH