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CVE-2021-40466 Details

Description

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40466	CVE	PatchVendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40466	[email protected]	PatchVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-269	Improper Privilege Management	[email protected]

Affected Products

Product	Versions
microsoft windows 10	20h2 21h1 1607 1809 1909
CPE cpe:2.3:o:microsoft:windows_10:-:::::::* cpe:2.3:o:microsoft:windows_10:20h2:::::::* cpe:2.3:o:microsoft:windows_10:21h1:::::::* cpe:2.3:o:microsoft:windows_10:1607:::::::* cpe:2.3:o:microsoft:windows_10:1809:::::::* cpe:2.3:o:microsoft:windows_10:1909:::::::* cpe:2.3:o:microsoft:windows_10:2004:::::::* Remediation No remediation found in references.
microsoft windows 11	All versions
CPE cpe:2.3:o:microsoft:windows_11:-::::::arm64: cpe:2.3:o:microsoft:windows_11:-::::::x64: Remediation No remediation found in references.
microsoft windows 7	All versions
CPE cpe:2.3:o:microsoft:windows_7:-:sp1:::-::-: Remediation No remediation found in references.
microsoft windows 8.1	All versions
CPE cpe:2.3:o:microsoft:windows_8.1:-::::-::-:* Remediation No remediation found in references.
microsoft windows rt 8.1	All versions
CPE cpe:2.3:o:microsoft:windows_rt_8.1:-:::::::* Remediation No remediation found in references.
microsoft windows server 2008	r2 sp1
CPE cpe:2.3:o:microsoft:windows_server_2008:-:sp2:::::: cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:::::x64:* Remediation No remediation found in references.
microsoft windows server 2012	r2
CPE cpe:2.3:o:microsoft:windows_server_2012:-:::::::* cpe:2.3:o:microsoft:windows_server_2012:r2:::::::* Remediation No remediation found in references.
microsoft windows server 2016	20h2 2004
CPE cpe:2.3:o:microsoft:windows_server_2016:-:::::::* cpe:2.3:o:microsoft:windows_server_2016:20h2:::::::* cpe:2.3:o:microsoft:windows_server_2016:2004:::::::* Remediation No remediation found in references.
microsoft windows server 2019	All versions
CPE cpe:2.3:o:microsoft:windows_server_2019:-:::::::* Remediation No remediation found in references.
microsoft windows server 2022	All versions
CPE cpe:2.3:o:microsoft:windows_server_2022:-:::::::* Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Aug 1, 2023	CVE Modified	[email protected]
Oct 19, 2021	Initial Analysis	[email protected]

CVE-2021-40466 Details

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Affected Products

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

Change History

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