CVE-2019-0718: Windows Hyper-V Denial of Service Vulnerability
A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka 'Windows Hyper-V Denial of Service Vulnerability'. This CVE ID is unique from CVE-2019-0714, CVE-2019-0715, CVE-2019-0717, CVE-2019-0723.
Other sources
A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. 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. The update addresses the vulnerability by modifying how virtual machines access the Hyper-V Network Switch.
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Frequently Asked Questions
What is the severity of CVE-2019-0718?
CVE-2019-0718 has been classified as a moderate severity vulnerability.
How do I fix CVE-2019-0718?
To fix CVE-2019-0718, perform an update of Microsoft Hyper-V as per Microsoft's security guidance.
Which systems are affected by CVE-2019-0718?
CVE-2019-0718 affects several versions of Microsoft Windows, including Windows 10, Windows 8.1, and various releases of Windows Server.
What type of vulnerability is CVE-2019-0718?
CVE-2019-0718 is a denial of service vulnerability that affects the Microsoft Hyper-V Network Switch.
Can CVE-2019-0718 be exploited remotely?
Yes, CVE-2019-0718 can potentially be exploited by a privileged user on a guest operating system to impact the host.