CVE-2020-1001

Windows Push Notification Service Elevation of Privilege Vulnerability

CVE-2020-1001 is fixed in 20 products on 1 platform, first by KB4550927, released April 14, 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
0.0095
61st percentile

<p>An elevation of privilege vulnerability exists in the way the Windows Push Notification Service handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context. An attacker could then install programs; view, change or delete data.</p> <p>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.</p> <p>The security update addresses the vulnerability by correcting how the Windows Push Notification Service handles objects in memory.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1709 for 32-bit Systems 16299.1806 KB4550927 Apr 14, 2020
Windows 10 Version 1709 for ARM64-based Systems 16299.1806 KB4550927 Apr 14, 2020
Windows 10 Version 1709 for x64-based Systems 16299.1806 KB4550927 Apr 14, 2020
Windows 10 Version 1803 for 32-bit Systems 17134.1425 KB4550922 Apr 14, 2020
Windows 10 Version 1803 for ARM64-based Systems 17134.1425 KB4550922 Apr 14, 2020
Windows 10 Version 1803 for x64-based Systems 17134.1425 KB4550922 Apr 14, 2020
Windows 10 Version 1809 for 32-bit Systems 17763.1158 KB4549949 Apr 14, 2020
Windows 10 Version 1809 for ARM64-based Systems 17763.1158 KB4549949 Apr 14, 2020
Windows 10 Version 1809 for x64-based Systems 17763.1158 KB4549949 Apr 14, 2020
Windows 10 Version 1903 for 32-bit Systems KB4549951 Apr 14, 2020
Windows 10 Version 1903 for ARM64-based Systems KB4549951 Apr 14, 2020
Windows 10 Version 1903 for x64-based Systems KB4549951 Apr 14, 2020
Windows 10 Version 1909 for 32-bit Systems KB4549951 Apr 14, 2020
Windows 10 Version 1909 for ARM64-based Systems KB4549951 Apr 14, 2020
Windows 10 Version 1909 for x64-based Systems KB4549951 Apr 14, 2020
Windows Server 2019 17763.1158 KB4549949 Apr 14, 2020
Windows Server 2019 (Server Core installation) 17763.1158 KB4549949 Apr 14, 2020
Windows Server, version 1803 (Server Core Installation) 17134.1425 KB4550922 Apr 14, 2020
Windows Server, version 1903 (Server Core installation) KB4549951 Apr 14, 2020
Windows Server, version 1909 (Server Core installation) KB4549951 Apr 14, 2020

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