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mscveMicrosoftMS:CVE-2022-21921
HistoryJan 11, 2022 - 8:00 a.m.

Windows Defender Credential Guard Security Feature Bypass Vulnerability

2022-01-1108:00:00
Microsoft
msrc.microsoft.com
29

4.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

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

4.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.9 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.6%

JSON

Related

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January 11, 2022—KB5009566 (OS Build 22000.434)
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January 11, 2022—KB5009543 (OS Builds 19042.1466, 19043.1466, and 19044.1466)
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2022-01-11 21:41:56

4.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

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

4.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.9 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.6%

JSON
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