Medium severity5.8NVD Advisory· Published Aug 14, 2019· Updated Jun 17, 2026
CVE-2019-0723
CVE-2019-0723
Description
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.
Affected products
29cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*+ 10 more
- cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:*range: 10.0.0
cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:x64:*+ 1 more
- cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:x64:*range: 6.3.0
- cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*+ 2 more
- cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*range: 6.2.0
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
1- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0723nvdPatchVendor Advisory
News mentions
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