CVE-2017-8707

Windows Hyper-V Information Disclosure Vulnerability

CVE-2017-8707 is fixed in 15 products on 1 platform, first by KB4038783, released September 12, 2017. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.2
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0242
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 1511 for x64-based Systems 10586.1106 KB4038783 Sep 12, 2017
Windows 10 Version 1607 for x64-based Systems 14393.1715 KB4038782 Sep 12, 2017
Windows 10 Version 1703 for x64-based Systems 15063.608 KB4038788 Sep 12, 2017
Windows 10 for x64-based Systems 10240.17609 KB4038781 Sep 12, 2017
Windows 8.1 for x64-based systems KB4038792 Sep 12, 2017
Windows 8.1 for x64-based systems KB4038793 Sep 12, 2017
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4038779 Sep 12, 2017
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4038777 Sep 12, 2017
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB4038779 Sep 12, 2017
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB4038777 Sep 12, 2017
Windows Server 2008 for x64-based Systems Service Pack 2 KB4039325 Sep 12, 2017
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) KB4039325 Sep 12, 2017
Windows Server 2012 KB4038786 Sep 12, 2017
Windows Server 2012 KB4038799 Sep 12, 2017
Windows Server 2012 (Server Core installation) KB4038786 Sep 12, 2017
Windows Server 2012 (Server Core installation) KB4038799 Sep 12, 2017
Windows Server 2012 R2 KB4038792 Sep 12, 2017
Windows Server 2012 R2 KB4038793 Sep 12, 2017
Windows Server 2012 R2 (Server Core installation) KB4038792 Sep 12, 2017
Windows Server 2012 R2 (Server Core installation) KB4038793 Sep 12, 2017
Windows Server 2016 14393.1715 KB4038782 Sep 12, 2017
Windows Server 2016 (Server Core installation) 14393.1715 KB4038782 Sep 12, 2017