CVE-2020-1243: Windows Hyper-V Denial of Service Vulnerability
<p>A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate specific malicious data from a user on a guest operating system.</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 the conditions where Hyper-V would fail to handle these requests.</p>
Other sources
A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate specific malicious data from a 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.The security update addresses the vulnerability by resolving the conditions where Hyper-V would fail to handle these requests., aka 'Windows Hyper-V Denial of Service Vulnerability'.
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Frequently Asked Questions
What is the severity of CVE-2020-1243?
CVE-2020-1243 has a CVSS score that indicates a high severity level due to the potential for denial-of-service attacks.
How do I fix CVE-2020-1243?
To mitigate CVE-2020-1243, update Microsoft Hyper-V to the latest security patch provided by Microsoft.
Who is affected by CVE-2020-1243?
CVE-2020-1243 affects Microsoft Hyper-V on certain versions of Windows 10 and Windows Server as specified in the advisory.
What type of vulnerability is CVE-2020-1243?
CVE-2020-1243 is classified as a denial-of-service vulnerability originating from improper validation of data.
Can CVE-2020-1243 be exploited remotely?
No, CVE-2020-1243 can only be exploited by an attacker with a privileged account on a guest operating system.