cbcvebase.
CVE-2021-42274
published 2021-11-10

CVE-2021-42274: Windows Hyper-V Discrete Device Assignment (DDA) Denial of Service Vulnerability

PriorityP420medium6.5CVSS 3.1
AVLACLPRLUINSCCNINAH
EPSS
0.61%
45.0th percentile
Windows Hyper-V Discrete Device Assignment (DDA) Denial of Service Vulnerability

Affected

27 ranges· showing 25
VendorProductVersion rangeFixed in
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10_version_1607>= 10.0.0 < 10.0.14393.477010.0.14393.4770
microsoftwindows_10_version_1809>= 10.0.0 < 10.0.17763.230010.0.17763.2300
microsoftwindows_10_version_2004>= 10.0.0 < 10.0.19041.134810.0.19041.1348
microsoftwindows_10_version_21h1>= 10.0.0 < 10.0.19043.134810.0.19043.1348
microsoftwindows_11_version_21h2>= 10.0.0 < 10.0.22000.31810.0.22000.318
microsoftwindows_server_2016
microsoftwindows_server_2016
microsoftwindows_server_2016>= 10.0.0 < 10.0.14393.477010.0.14393.4770
microsoftwindows_server_2019>= 10.0.0 < 10.0.17763.230010.0.17763.2300
microsoftwindows_server_2022>= 10.0.0 < 10.0.20348.35010.0.20348.350
microsoftwindows_server_version_2004>= 10.0.0 < 10.0.19041.134810.0.19041.1348
microsoftwindows_server_version_20h2>= 10.0.0 < 10.0.19041.134810.0.19041.1348
msrcwindows_10_version_1607_for_x64-based_systems
msrcwindows_10_version_1809_for_x64-based_systems
msrcwindows_10_version_2004_for_x64-based_systems
msrcwindows_10_version_21h1_for_x64-based_systems
msrcwindows_11_version_21h2_for_x64-based_systems
msrcwindows_server_2016
msrcwindows_server_2019
msrcwindows_server_2022

CVSS provenance

nvdv3.16.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:N/I:N/A:P
vendor_msrc6.8MEDIUM
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.