CVE-2020-16973

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

<p>An elevation of privilege vulnerability exists when the Windows Backup Service improperly handles file operations.</p> <p>To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges.</p> <p>The security update addresses the vulnerability by correcting how the Windows Backup Service handles file operations.</p>

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

VendorProductVersions
MicrosoftWindows 10 Version 1803>= 10.0.0, < publication
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 1709 for 32-bit Systems>= 10.0.0, < publication
MicrosoftWindows 10 Version 1709>= 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 2004>= 10.0.0, < publication
MicrosoftWindows Server version 2004>= 10.0.0, < publication
MicrosoftWindows 10 Version 1507>= 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 Server 2008 R2 Service Pack 1>= 6.1.0, < publication
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)>= 6.0.0, < publication

References

Timeline

Published
Oct 16, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-16973: High severity, CVSS 7.8 | Vulnix