CVE-2020-1406

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

An elevation of privilege vulnerability exists in the way that the Windows Network List Service handles objects in memory, aka 'Windows Network List Service Elevation of Privilege Vulnerability'.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

Vendor	Product	Versions
Microsoft	Windows 10 Version 2004 for 32-bit Systems	unspecified
Microsoft	Windows 10 Version 2004 for ARM64-based Systems	unspecified
Microsoft	Windows 10 Version 2004 for x64-based Systems	unspecified
Microsoft	Windows Server, version 2004 (Server Core installation)	unspecified
Microsoft	Windows	10 Version 1803 for 32-bit Systems; 10 Version 1803 for x64-based Systems; 10 Version 1803 for ARM64-based Systems; 10 Version 1809 for 32-bit Systems; 10 Version 1809 for x64-based Systems; 10 Version 1809 for ARM64-based Systems; 10 Version 1709 for 32-bit Systems; 10 Version 1709 for x64-based Systems; 10 Version 1709 for ARM64-based Systems; 10 for 32-bit Systems; 10 for x64-based Systems; 10 Version 1607 for 32-bit Systems; 10 Version 1607 for x64-based Systems; 8.1 for 32-bit systems; 8.1 for x64-based systems; RT 8.1
Microsoft	Windows Server	2019; 2019 (Core installation); 2016; 2016 (Core installation); 2012 R2; 2012 R2 (Core installation)
Microsoft	Windows 10 Version 1909 for 32-bit Systems	unspecified
Microsoft	Windows 10 Version 1909 for x64-based Systems	unspecified
Microsoft	Windows 10 Version 1909 for ARM64-based Systems	unspecified
Microsoft	Windows Server, version 1909 (Server Core installation)	unspecified
Microsoft	Windows 10 Version 1903 for 32-bit Systems	unspecified
Microsoft	Windows 10 Version 1903 for x64-based Systems	unspecified
Microsoft	Windows 10 Version 1903 for ARM64-based Systems	unspecified
Microsoft	Windows Server, version 1903 (Server Core installation)	unspecified

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1406Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1406Patch, Vendor Advisory

Timeline

Published: Jul 14, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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