CVE-2019-0942

Unified Write Filter Elevation of Privilege Vulnerability

CVE-2019-0942 is fixed in 20 products on 1 platform, first by KB4494440, released May 14, 2019. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
4.4
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0104
64th percentile

<p>An elevation of privilege vulnerability exists in the Unified Write Filter (UWF) feature for Windows 10 when it improperly restricts access to the registry. An attacker who successfully exploited the vulnerability could make changes to the registry keys protected by UWF without having administrator privileges.</p> <p>To exploit the vulnerability, an attacker would have to log on to an affected system utilizing UWF and access the registry editor.</p> <p>The security update addresses the vulnerability by correcting how the Unified Write Filter verifies privileges when accessing the registry.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1607 for 32-bit Systems 14393.2969 KB4494440 May 14, 2019
Windows 10 Version 1607 for x64-based Systems 14393.2969 KB4494440 May 14, 2019
Windows 10 Version 1703 for 32-bit Systems 15063.1805 KB4499181 May 14, 2019
Windows 10 Version 1703 for x64-based Systems 15063.1805 KB4499181 May 14, 2019
Windows 10 Version 1709 for 32-bit Systems 16299.1146 KB4499179 May 14, 2019
Windows 10 Version 1709 for ARM64-based Systems 16299.1146 KB4499179 May 14, 2019
Windows 10 Version 1709 for x64-based Systems 16299.1146 KB4499179 May 14, 2019
Windows 10 Version 1803 for 32-bit Systems 17134.765 KB4499167 May 14, 2019
Windows 10 Version 1803 for ARM64-based Systems 17134.765 KB4499167 May 14, 2019
Windows 10 Version 1803 for x64-based Systems 17134.765 KB4499167 May 14, 2019
Windows 10 Version 1809 for 32-bit Systems 17763.503 KB4494441 May 14, 2019
Windows 10 Version 1809 for ARM64-based Systems 17763.503 KB4494441 May 14, 2019
Windows 10 Version 1809 for x64-based Systems 17763.503 KB4494441 May 14, 2019
Windows 10 for 32-bit Systems 10240.18215 KB4499154 May 14, 2019
Windows 10 for x64-based Systems 10240.18215 KB4499154 May 14, 2019
Windows Server 2016 14393.2969 KB4494440 May 14, 2019
Windows Server 2016 (Server Core installation) 14393.2969 KB4494440 May 14, 2019
Windows Server 2019 17763.503 KB4494441 May 14, 2019
Windows Server 2019 (Server Core installation) 17763.503 KB4494441 May 14, 2019
Windows Server, version 1803 (Server Core Installation) 17134.765 KB4499167 May 14, 2019

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