CVE-2020-1423

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

An elevation of privilege vulnerability exists in the way that the Windows Subsystem for Linux handles files, aka 'Windows Subsystem for Linux 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 x64-based Systems	unspecified
Microsoft	Windows 10 Version 2004 for ARM64-based Systems	unspecified
Microsoft	Windows Server, version 2004 (Server Core installation)	unspecified

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1423Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1423Patch, Vendor Advisory

Timeline

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

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