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mscveMicrosoftMS:CVE-2021-33771
HistoryJul 13, 2021 - 7:00 a.m.

Windows Kernel Elevation of Privilege Vulnerability

2021-07-1307:00:00
Microsoft
msrc.microsoft.com
37
windows
kernel
elevation
privilege
vulnerability

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

8

Confidence

High

EPSS

0.001

Percentile

49.7%

JSON

Affected configurations

Vulners
Node
microsoftwindows_server_2012Range<6.3.9600.20069r2
OR
microsoftwindows_server_2012Range<6.3.9600.20069r2
OR
microsoftwindows_server_2012Range<6.3.9600.20069r2
OR
microsoftwindows_server_2012Range<6.3.9600.20069r2
OR
microsoftwindows_rt_8.1Range<6.3.9600.20069
OR
microsoftwindows_8.1Range<6.3.9600.20069x64
OR
microsoftwindows_8.1Range<6.3.9600.20069x64
OR
microsoftwindows_8.1Range<6.3.9600.20069
OR
microsoftwindows_8.1Range<6.3.9600.20069
OR
microsoftwindows_server_2016Range<10.0.14393.4530
OR
microsoftwindows_server_2016Range<10.0.14393.4530
OR
microsoftwindows_10_1607Range<10.0.14393.4530x64
OR
microsoftwindows_10_1607Range<10.0.14393.4530
OR
microsoftwindows_10Range<10.0.10240.19003x64
OR
microsoftwindows_10Range<10.0.10240.19003
OR
microsoftwindows_server_20h2Range<10.0.19042.1110
OR
microsoftwindows_10_20h2Range<10.0.19042.1110arm64
OR
microsoftwindows_10_20h2Range<10.0.19042.1110
OR
microsoftwindows_10_20h2Range<10.0.19042.1110x64
OR
microsoftwindows_server_2004Range<10.0.19041.1110
OR
microsoftwindows_10_2004Range<10.0.19041.1110
OR
microsoftwindows_10_2004Range<10.0.19041.1110
OR
microsoftwindows_10_2004Range<10.0.19041.1110
OR
microsoftwindows_10_21h1Range<10.0.19043.1110
OR
microsoftwindows_10_21h1Range<10.0.19043.1110arm64
OR
microsoftwindows_10_21h1Range<10.0.19043.1110x64
OR
microsoftwindows_10_1909Range<10.0.18363.1679
OR
microsoftwindows_10_1909Range<10.0.18363.1679
OR
microsoftwindows_10_1909Range<10.0.18363.1679
OR
microsoftwindows_server_2019Range<10.0.17763.2061
OR
microsoftwindows_server_2019Range<10.0.17763.2061
OR
microsoftwindows_10_1809Range<10.0.17763.2061arm64
OR
microsoftwindows_10_1809Range<10.0.17763.2061x64
OR
microsoftwindows_10_1809Range<10.0.17763.2061
VendorProductVersionCPE
microsoftwindows_server_2012*cpe:2.3:o:microsoft:windows_server_2012:*:r2:*:*:*:*:*:*
microsoftwindows_rt_8.1*cpe:2.3:o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:*
microsoftwindows_8.1*cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:x64:*
microsoftwindows_8.1*cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:*
microsoftwindows_server_2016*cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
microsoftwindows_10_1607*cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
microsoftwindows_10_1607*cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*
microsoftwindows_10*cpe:2.3:o:microsoft:windows_10:*:*:*:*:*:*:x64:*
microsoftwindows_10*cpe:2.3:o:microsoft:windows_10:*:*:*:*:*:*:*:*
microsoftwindows_server_20h2*cpe:2.3:o:microsoft:windows_server_20h2:*:*:*:*:*:*:*:*
Rows per page:
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CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS3

7.8

Attack Vector

LOCAL

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LOW

Privileges Required

LOW

User Interaction

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HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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AI Score

8

Confidence

High

EPSS

0.001

Percentile

49.7%

JSON
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