CVE-2021-33771
HIGH KEVWindows Kernel - Privilege Escalation
Title source: llmDescription
Windows Kernel Elevation of Privilege Vulnerability
Scores
CVSS v3
7.8
EPSS
0.0665
EPSS Percentile
91.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CISA KEV
2021-11-03
VulnCheck KEV
2021-07-13
InTheWild.io
2021-07-13
ENISA EUVD
EUVD-2021-20448
Status
published
Products (15)
microsoft/windows_10_1507
< 10.0.10240.19003
microsoft/windows_10_1607
< 10.0.14393.4530
microsoft/windows_10_1809
< 10.0.17763.2061
microsoft/windows_10_1909
< 10.0.18363.1679
microsoft/windows_10_2004
< 10.0.19041.1110
microsoft/windows_10_20h2
< 10.0.19042.1110
microsoft/windows_10_21h1
< 10.0.19043.1110
microsoft/windows_8.1
microsoft/windows_rt_8.1
microsoft/windows_server_2004
< 10.0.19041.1110
... and 5 more
Published
Jul 14, 2021
KEV Added
Nov 03, 2021
Tracked Since
Feb 18, 2026