CVE-2017-8664

Windows Hyper-V Remote Code Execution Vulnerability

CVE-2017-8664 is fixed in 11 products on 1 platform, first by KB4034660, released August 8, 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
0.0397
90th percentile

<p>A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system. To exploit the vulnerability, an attacker could run a specially crafted application on a guest operating system that could cause the Hyper-V host operating system to execute arbitrary code.</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 Hyper-V validates guest operating system user input.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1511 for x64-based Systems 10586.1045 KB4034660 Aug 8, 2017
Windows 10 Version 1607 for x64-based Systems 14393.1593 KB4034658 Aug 8, 2017
Windows 10 Version 1703 for x64-based Systems 15063.540 KB4034674 Aug 8, 2017
Windows 10 for x64-based Systems 10240.17533 KB4034668 Aug 8, 2017
Windows 8.1 for x64-based systems KB4034672 Aug 8, 2017
Windows 8.1 for x64-based systems KB4034681 Aug 8, 2017
Windows Server 2012 KB4034666 Aug 8, 2017
Windows Server 2012 KB4034665 Aug 8, 2017
Windows Server 2012 (Server Core installation) KB4034666 Aug 8, 2017
Windows Server 2012 (Server Core installation) KB4034665 Aug 8, 2017
Windows Server 2012 R2 KB4034672 Aug 8, 2017
Windows Server 2012 R2 KB4034681 Aug 8, 2017
Windows Server 2012 R2 (Server Core installation) KB4034672 Aug 8, 2017
Windows Server 2012 R2 (Server Core installation) KB4034681 Aug 8, 2017
Windows Server 2016 14393.1593 KB4034658 Aug 8, 2017
Windows Server 2016 (Server Core installation) 14393.1593 KB4034658 Aug 8, 2017