Vulnerability Details CVE-2020-1243
<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>
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 66.0%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 4.6
References
Products affected by CVE-2020-1243
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cpe:2.3:o:microsoft:windows_10:1607
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cpe:2.3:o:microsoft:windows_10:1709
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cpe:2.3:o:microsoft:windows_10:1803
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cpe:2.3:o:microsoft:windows_10:1809
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cpe:2.3:o:microsoft:windows_10:1903
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cpe:2.3:o:microsoft:windows_10:2004
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cpe:2.3:o:microsoft:windows_server_2016:-
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cpe:2.3:o:microsoft:windows_server_2016:1903
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cpe:2.3:o:microsoft:windows_server_2016:1909
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cpe:2.3:o:microsoft:windows_server_2016:2004
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cpe:2.3:o:microsoft:windows_server_2019:-