CVE-2019-0635

Windows Hyper-V Information Disclosure Vulnerability

CVE-2019-0635 is fixed in 22 products on 1 platform, first by KB4487026, released February 12, 2019. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.4
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0244
84th percentile

<p>An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. To exploit the vulnerability, an attacker on a guest operating system could run a specially crafted application that could cause the Hyper-V host operating system to disclose memory information.</p> <p>An attacker who successfully exploited the vulnerability could gain access to information on the Hyper-V host operating system.</p> <p>The security update addresses the vulnerability by correcting how Hyper-V validates guest operating system user input.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1607 for x64-based Systems 14393.2791 KB4487026 Feb 12, 2019
Windows 10 Version 1703 for x64-based Systems 15063.1631 KB4487020 Feb 12, 2019
Windows 10 Version 1709 for x64-based Systems 16299.967 KB4486996 Feb 12, 2019
Windows 10 Version 1803 for x64-based Systems 17134.590 KB4487017 Feb 12, 2019
Windows 10 Version 1809 for x64-based Systems 17763.316 KB4487044 Feb 12, 2019
Windows 10 for x64-based Systems 10240.18132 KB4487018 Feb 12, 2019
Windows 7 for x64-based Systems Service Pack 1 KB4486564 Feb 12, 2019
Windows 7 for x64-based Systems Service Pack 1 KB4486563 Feb 12, 2019
Windows 8.1 for x64-based systems KB4487028 Feb 12, 2019
Windows 8.1 for x64-based systems KB4487000 Feb 12, 2019
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4486564 Feb 12, 2019
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4486563 Feb 12, 2019
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB4486564 Feb 12, 2019
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB4486563 Feb 12, 2019
Windows Server 2008 for x64-based Systems Service Pack 2 KB4487023 Feb 12, 2019
Windows Server 2008 for x64-based Systems Service Pack 2 KB4487019 Feb 12, 2019
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) KB4487023 Feb 12, 2019
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) KB4487019 Feb 12, 2019
Windows Server 2012 KB4487025 Feb 12, 2019
Windows Server 2012 KB4486993 Feb 12, 2019
Windows Server 2012 (Server Core installation) KB4487025 Feb 12, 2019
Windows Server 2012 (Server Core installation) KB4486993 Feb 12, 2019
Windows Server 2012 R2 KB4487028 Feb 12, 2019
Windows Server 2012 R2 KB4487000 Feb 12, 2019
Windows Server 2012 R2 (Server Core installation) KB4487028 Feb 12, 2019
Windows Server 2012 R2 (Server Core installation) KB4487000 Feb 12, 2019
Windows Server 2016 14393.2791 KB4487026 Feb 12, 2019
Windows Server 2016 (Server Core installation) 14393.2791 KB4487026 Feb 12, 2019
Windows Server 2019 17763.316 KB4487044 Feb 12, 2019
Windows Server 2019 (Server Core installation) 17763.316 KB4487044 Feb 12, 2019
Windows Server, version 1709 (Server Core Installation) 16299.967 KB4486996 Feb 12, 2019
Windows Server, version 1803 (Server Core Installation) 17134.590 KB4487017 Feb 12, 2019

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