Windows Hyper-V Information Disclosure Vulnerability

According to the CVSS metric, the Hyper-V attack vector is adjacent (AV:A). What does that mean for this vulnerability?
Where the attack vector metric is Adjacent (A), this represents virtual machines connected via a Hyper-V Network Virtualization (HNV) logical network. This configuration forms an isolation boundary where the virtual machines within the virtual network can only communicate with each other. In this attack vector, the vulnerable component is bound to the network stack, but the attack is limited to systems configured to use the HNV network.

What type of information could be disclosed by this vulnerability?
The type of information that could be disclosed if a Hyper-V Guest attacker successfully exploited this vulnerability is data from the Hyper-V Host.

Security updates
10.0.17763.3165 — https://support.microsoft.com/help/5015811
10.0.19043.1826 — https://support.microsoft.com/help/5015807
10.0.20348.825 — https://support.microsoft.com/help/5015827
10.0.22000.795 — https://support.microsoft.com/help/5015814
10.0.10240.19360 — https://support.microsoft.com/help/5015832
10.0.14393.5246 — https://support.microsoft.com/help/5015808
6.1.7601.26022 — https://support.microsoft.com/help/5015861
6.1.7601.26022 — https://support.microsoft.com/help/5015862
6.3.9600.20478 — https://support.microsoft.com/help/5015874
6.3.9600.20478 — https://support.microsoft.com/help/5015877
6.2.9200.23771 — https://support.microsoft.com/help/5015863
6.2.9200.23771 — https://support.microsoft.com/help/5015875