Windows Hyper-V Integer Underflow Vulnerability

The Windows Hyper-V is a virtualization platform used by Microsoft to create and manage virtual machines. The vulnerability allows an authorized attacker to deny service over a network by exploiting an integer underflow in the Windows Hyper-V.

Specific version info not stated in the advisory.

1. Apply the latest security updates from Microsoft:

2. https://support.microsoft.com/en-us/help/4507472/windows-server-2019-and-windows-server-2022-security-update-july-2023

3. Immediate mitigations:

4. Disable Hyper-V on non-production servers or networks to prevent exploitation.

• Vendor Advisory