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ZDI-26-416 HIGH 7.8 Published Jul 15, 2026

Microsoft Hyper-V netvsc Out-Of-Bounds Read Local Privilege Escalation Vulnerability

Microsoft

This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Hyper-V. An attacker must first obtain the ability to execute low-privileged code within a Windows virtual machine under Hyper-V in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8.

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