CVE-2020-1467

CriticalCVSS 10.0/10Last modified Jun 17, 2026

Description

An elevation of privilege vulnerability exists when Windows improperly handles hard links. An attacker who successfully exploited this vulnerability could overwrite a targeted file leading to an elevated status. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system. The security update addresses the vulnerability by correcting how Windows handles hard links.

Metrics

CVSS 3.1 10.0/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected software

VendorProductVersions
MicrosoftWindows 10 Version 1809>= 10.0.0, < publication
MicrosoftWindows Server 2019>= 10.0.0, < publication
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.0, < publication
MicrosoftWindows 10 Version 1909>= 10.0.0, < publication
MicrosoftWindows Server, version 1909 (Server Core installation)>= 10.0.0, < publication
MicrosoftWindows 10 Version 1903 for 32-bit Systems>= 10.0.0, < publication
MicrosoftWindows 10 Version 1903 for x64-based Systems>= 10.0.0, < publication
MicrosoftWindows 10 Version 1903 for ARM64-based Systems>= 10.0.0, < publication
MicrosoftWindows Server, version 1903 (Server Core installation)>= 10.0.0, < publication
MicrosoftWindows 10 Version 1607>= 10.0.0, < publication
MicrosoftWindows Server 2016>= 10.0.0, < publication
MicrosoftWindows Server 2016 (Server Core installation)>= 10.0.0, < publication
MicrosoftWindows 7>= 6.1.0, < publication
MicrosoftWindows 7 Service Pack 1>= 6.1.0, < publication
MicrosoftWindows 8.1>= 6.3.0, < publication
MicrosoftWindows Server 2008 Service Pack 2>= 6.0.0, < publication
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)>= 6.0.0, < publication
MicrosoftWindows Server 2008 Service Pack 2>= 6.0.0, < publication
MicrosoftWindows Server 2008 R2 Service Pack 1>= 6.1.0, < publication
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)>= 6.0.0, < publication
MicrosoftWindows Server 2012>= 6.2.0, < publication
MicrosoftWindows Server 2012 (Server Core installation)>= 6.2.0, < publication
MicrosoftWindows Server 2012 R2>= 6.3.0, < publication
MicrosoftWindows Server 2012 R2 (Server Core installation)>= 6.3.0, < publication
MicrosoftWindows 10 Version 2004>= 10.0.0, < publication
MicrosoftWindows Server version 2004>= 10.0.0, < publication

References

Timeline

Published
Aug 17, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-1467: Critical severity, CVSS 10.0 | Vulnix