What’s Vulnerable › Vulnerabilities

CVE-2020-1423

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-07-14 · updated 2026-06-17

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'.

Affected products

• Microsoft Windows 10 Version 1607: 2004
• Microsoft Windows Server 2016: 2004
• Microsoft Windows 10 Version 2004 for ARM64-based Systems: all versions
• Microsoft Windows 10 Version 2004 for x64-based Systems: all versions
• Microsoft Windows Server version 2004: all versions

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1423
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1423

Get alerted when CVE-2020-1423 or the next vulnerability affects your stack