A vulnerability has been reported in Microsoft Windows, which can be exploited by malicious, local users to cause a DoS (Denial of Service).
The vulnerability is caused due to a validation error when processing encapsulated packets sent to the VMBus communication channel. This can be exploited to cause the Hyper-V server and all guest virtual machines to stop responding via a specially crafted packet.
Successful exploitation requires an attacker to have local logon privileges within a guest virtual machine.
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Subject: Microsoft Windows Hyper-V VMBus Denial of Service Vulnerability
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