CVE-2017-8714

Remote Desktop Virtual Host Remote Code Execution Vulnerability

CVE-2017-8714 is fixed in 8 products on 1 platform, first by KB4038782, released September 12, 2017. 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
0.0377
89th percentile

<p>A remote code execution vulnerability exists in the VM Host Agent Service of Remote Desktop Virtual Host role when it fails to properly validate input from an authenticated user on a guest operating system. To exploit the vulnerability, an attacker could issue a specially crafted certificate on the guest operating system that could cause the VM host agent service on the host operating system to execute arbitrary code. The Remote Desktop Virtual Host role is not enabled by default.</p> <p>An attacker who successfully exploited the vulnerability could execute arbitrary code on the host operating system.</p> <p>The security update addresses the vulnerability by correcting how VM host agent service validates guest operating system user input.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1607 for x64-based Systems 14393.1715 KB4038782 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 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