ZDI-26-416: Microsoft Hyper-V netvsc Out-Of-Bounds Read Local Privilege Escalation Vulnerability

Published Jul 15, 2026
·
Updated

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. The following CVEs are assigned: CVE-2026-54129.

Affected Software

1 affected component
Microsoft Hyper-V

Event History

Jul 15, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description

Frequently Asked Questions

1

What is the severity of ZDI-26-416?

The severity of ZDI-26-416 is rated at 49 on the CVSS scale.

2

How do I fix ZDI-26-416?

To mitigate ZDI-26-416, ensure that your Microsoft Hyper-V installations are updated with the latest security patches.

3

What type of vulnerability is ZDI-26-416?

ZDI-26-416 is classified as an Out-Of-Bounds Read Local Privilege Escalation Vulnerability.

4

Who can exploit ZDI-26-416?

ZDI-26-416 can be exploited by local attackers who have the ability to run low-privileged code within a Windows virtual machine.

5

Which software is affected by ZDI-26-416?

ZDI-26-416 affects Microsoft Hyper-V installations.

Contact

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