CVE-2020-16974

Windows Backup Service Elevation of Privilege Vulnerability

CVE-2020-16974 is fixed in 33 products on 1 platform, first by KB4580346, released October 13, 2020. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.8
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0091
60th percentile

<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>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1607 for 32-bit Systems 14393.3986 KB4580346 Oct 13, 2020
Windows 10 Version 1607 for x64-based Systems 14393.3986 KB4580346 Oct 13, 2020
Windows 10 Version 1709 for 32-bit Systems 16299.2166 KB4580328 Oct 13, 2020
Windows 10 Version 1709 for ARM64-based Systems 16299.2166 KB4580328 Oct 13, 2020
Windows 10 Version 1709 for x64-based Systems 16299.2166 KB4580328 Oct 13, 2020
Windows 10 Version 1803 for 32-bit Systems 17134.1792 KB4580330 Oct 13, 2020
Windows 10 Version 1803 for ARM64-based Systems 17134.1792 KB4580330 Oct 13, 2020
Windows 10 Version 1803 for x64-based Systems 17134.1792 KB4580330 Oct 13, 2020
Windows 10 Version 1809 for 32-bit Systems 17763.1518 KB4577668 Oct 13, 2020
Windows 10 Version 1809 for ARM64-based Systems 17763.1518 KB4577668 Oct 13, 2020
Windows 10 Version 1809 for x64-based Systems 17763.1518 KB4577668 Oct 13, 2020
Windows 10 Version 1903 for 32-bit Systems KB4577671 Oct 13, 2020
Windows 10 Version 1903 for ARM64-based Systems KB4577671 Oct 13, 2020
Windows 10 Version 1903 for x64-based Systems KB4577671 Oct 13, 2020
Windows 10 Version 1909 for 32-bit Systems KB4577671 Oct 13, 2020
Windows 10 Version 1909 for ARM64-based Systems KB4577671 Oct 13, 2020
Windows 10 Version 1909 for x64-based Systems KB4577671 Oct 13, 2020
Windows 10 Version 2004 for 32-bit Systems 19041.572 KB4579311 Oct 13, 2020
Windows 10 Version 2004 for ARM64-based Systems 19041.572 KB4579311 Oct 13, 2020
Windows 10 Version 2004 for x64-based Systems 19041.572 KB4579311 Oct 13, 2020
Windows 10 for 32-bit Systems 10240.18725 KB4580327 Oct 13, 2020
Windows 10 for x64-based Systems 10240.18725 KB4580327 Oct 13, 2020
Windows 7 for 32-bit Systems Service Pack 1 KB4580345 Oct 13, 2020
Windows 7 for 32-bit Systems Service Pack 1 KB4580387 Oct 13, 2020
Windows 7 for x64-based Systems Service Pack 1 KB4580345 Oct 13, 2020
Windows 7 for x64-based Systems Service Pack 1 KB4580387 Oct 13, 2020
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4580345 Oct 13, 2020
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4580387 Oct 13, 2020
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB4580345 Oct 13, 2020
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB4580387 Oct 13, 2020
Windows Server 2016 14393.3986 KB4580346 Oct 13, 2020
Windows Server 2016 (Server Core installation) 14393.3986 KB4580346 Oct 13, 2020
Windows Server 2019 17763.1518 KB4577668 Oct 13, 2020
Windows Server 2019 (Server Core installation) 17763.1518 KB4577668 Oct 13, 2020
Windows Server, version 1903 (Server Core installation) KB4577671 Oct 13, 2020
Windows Server, version 1909 (Server Core installation) KB4577671 Oct 13, 2020
Windows Server, version 2004 (Server Core installation) 19041.572 KB4579311 Oct 13, 2020

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