CVE-2019-1336

Microsoft Windows Update Client Elevation of Privilege Vulnerability

CVE-2019-1336 is fixed in 9 products on 1 platform, first by KB4519338, released October 8, 2019. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.0
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0097
61st percentile

<p>An elevation of privilege vulnerability exists in the Microsoft Windows Update Client when it does not properly handle privileges. 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 enabling the Windows Update client to properly handle user privileges.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1809 for 32-bit Systems 17763.805 KB4519338 Oct 8, 2019
Windows 10 Version 1809 for ARM64-based Systems 17763.805 KB4519338 Oct 8, 2019
Windows 10 Version 1809 for x64-based Systems 17763.805 KB4519338 Oct 8, 2019
Windows 10 Version 1903 for 32-bit Systems 18362.418 KB4517389 Oct 8, 2019
Windows 10 Version 1903 for ARM64-based Systems 18362.418 KB4517389 Oct 8, 2019
Windows 10 Version 1903 for x64-based Systems 18362.418 KB4517389 Oct 8, 2019
Windows Server 2019 17763.805 KB4519338 Oct 8, 2019
Windows Server 2019 (Server Core installation) 17763.805 KB4519338 Oct 8, 2019
Windows Server, version 1903 (Server Core installation) 18362.418 KB4517389 Oct 8, 2019

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