CVE-2022-21919 : Windows User Profile Service Elevation of Privilege Vulnerability

Products affected by CVE-2022-21919

Microsoft » Windows Server 2008 » Version: N/A Update SP2
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2008 » Version: R2 Update SP1 For X64
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
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Microsoft » Windows 7 » Version: N/A Update SP1
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
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Microsoft » Windows Server 2012 » Version: N/A
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
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Microsoft » Windows Server 2012 » Version: R2
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
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Microsoft » Windows 8.1 » Version: N/A
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
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Microsoft » Windows Rt 8.1 » Version: N/A
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
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Microsoft » Windows Server 2016
Versions before (<) 10.0.14393.4886
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
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Microsoft » Windows Server 2019
Versions before (<) 10.0.17763.2452
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
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Microsoft » Windows Server 2022
Versions before (<) 10.0.20348.469
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Microsoft » Windows 11 21h2
Versions before (<) 10.0.22000.434
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*
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Microsoft » Windows 10 1607 » For X64
Versions before (<) 10.0.14393.4886
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
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Microsoft » Windows 10 1607 » For X86
Versions before (<) 10.0.14393.4886
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
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Microsoft » Windows 10 21h1
Versions before (<) 10.0.19043.1466
cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:*
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Microsoft » Windows 10 1809 » For X64
Versions before (<) 10.0.17763.2452
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
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Microsoft » Windows 10 1809 » For X86
Versions before (<) 10.0.17763.2452
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
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Microsoft » Windows 10 21h2
Versions before (<) 10.0.19044.1466
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*
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Microsoft » Windows 10 20h2
Versions before (<) 10.0.19042.1466
cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*
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Microsoft » Windows 10 1507 » For X64
Versions before (<) 10.0.10240.19177
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:*
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Microsoft » Windows 10 1507 » For X86
Versions before (<) 10.0.10240.19177
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*
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Microsoft » Windows 10 1909
Versions before (<) 10.0.18363.2037
cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:*
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Microsoft » Windows Server 20h2
Versions before (<) 10.0.19042.1466
cpe:2.3:o:microsoft:windows_server_20h2:*:*:*:*:*:*:*:*
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CVE-2022-21919 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:

Microsoft Windows User Profile Service Privilege Escalation Vulnerability

CISA required action:

Apply updates per vendor instructions.

CISA description:

Microsoft Windows User Profile Service contains an unspecified vulnerability that allows for privilege escalation.

Notes:

https://nvd.nist.gov/vuln/detail/CVE-2022-21919

Added on 2022-04-25 Action due date 2022-05-16

Exploit prediction scoring system (EPSS) score for CVE-2022-21919

EPSS FAQ

87.67%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 99 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-21919

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.9	MEDIUM	AV:L/AC:M/Au:N/C:C/I:C/A:C	3.4	10.0	NIST
Access Vector: Local Access Complexity: Medium Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
7.0	HIGH	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	1.0	5.9	Microsoft Corporation
Attack Vector: Local Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2022-21919

CWE-59 Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Assigned by: nvd@nist.gov (Primary)
CWE-269 Improper Privilege Management

The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2022-21919