CVE-2017-0178

Windows Hyper-V Denial of Service Vulnerability

CVE-2017-0178 is fixed in 8 products on 1 platform, first by KB4015219, released April 11, 2017. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.4
Important
Exploitation
None reported
Exploitation Unlikely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0163
76th percentile

<p>A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate input from a privileged user on a guest operating system. To exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a virtual machine, could run a specially crafted application that causes a host machine to crash.</p> <p>To exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a virtual machine, could run a specially crafted application.</p> <p>The security update addresses the vulnerability by resolving a number of conditions where Hyper-V would fail to prevent a guest operating system from sending malicious requests.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1511 for x64-based Systems 10586.873 KB4015219 Apr 11, 2017
Windows 10 Version 1607 for x64-based Systems KB4015217 Apr 11, 2017
Windows 10 for x64-based Systems 10240.17354 KB4015221 Apr 11, 2017
Windows 8.1 for x64-based systems KB4015547 Apr 11, 2017
Windows 8.1 for x64-based systems KB4015550 Apr 11, 2017
Windows Server 2012 R2 KB4015547 Apr 11, 2017
Windows Server 2012 R2 KB4015550 Apr 11, 2017
Windows Server 2012 R2 (Server Core installation) KB4015547 Apr 11, 2017
Windows Server 2012 R2 (Server Core installation) KB4015550 Apr 11, 2017
Windows Server 2016 KB4015217 Apr 11, 2017
Windows Server 2016 (Server Core installation) KB4015217 Apr 11, 2017