CVE-2018-0959

Windows Hyper-V Remote Code Execution Vulnerability

CVE-2018-0959 is fixed in 20 products on 1 platform, first by KB4103723, released May 8, 2018. It is not reported as exploited. Patch Radar priority: Urgent.

Urgent
CVSS
7.6
Critical
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0980
95th 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 1607 for x64-based Systems 14393.2248 KB4103723 May 8, 2018
Windows 10 Version 1703 for x64-based Systems 15063.1088 KB4103731 May 8, 2018
Windows 10 Version 1709 for x64-based Systems 16299.431 KB4103727 May 8, 2018
Windows 10 Version 1803 for x64-based Systems 17134.48 KB4103721 May 8, 2018
Windows 10 for x64-based Systems 10240.17861 KB4103716 May 8, 2018
Windows 7 for x64-based Systems Service Pack 1 KB4103718 May 8, 2018
Windows 7 for x64-based Systems Service Pack 1 KB4103712 May 8, 2018
Windows 8.1 for x64-based systems KB4103725 May 8, 2018
Windows 8.1 for x64-based systems KB4103715 May 8, 2018
Windows RT 8.1 KB4103725 May 8, 2018
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4103718 May 8, 2018
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4103712 May 8, 2018
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB4103718 May 8, 2018
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB4103712 May 8, 2018
Windows Server 2008 for x64-based Systems Service Pack 2 KB4094079 May 8, 2018
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) KB4094079 May 8, 2018
Windows Server 2012 KB4103730 May 8, 2018
Windows Server 2012 KB4103726 May 8, 2018
Windows Server 2012 (Server Core installation) KB4103730 May 8, 2018
Windows Server 2012 (Server Core installation) KB4103726 May 8, 2018
Windows Server 2012 R2 KB4103725 May 8, 2018
Windows Server 2012 R2 KB4103715 May 8, 2018
Windows Server 2012 R2 (Server Core installation) KB4103725 May 8, 2018
Windows Server 2012 R2 (Server Core installation) KB4103715 May 8, 2018
Windows Server 2016 14393.2248 KB4103723 May 8, 2018
Windows Server 2016 (Server Core installation) 14393.2248 KB4103723 May 8, 2018
Windows Server, version 1709 (Server Core Installation) 16299.431 KB4103727 May 8, 2018
Windows Server, version 1803 (Server Core Installation) 17134.48 KB4103721 May 8, 2018