Hyper-V in Microsoft Windows 8.1, Windows Server 2012 R2, and Windows 10 improperly processes ACL settings, which allows local users to bypass intended network-traffic restrictions via a crafted application, aka "Hyper-V Security Feature Bypass Vulnerability."

References

• https://nvd.nist.gov/vuln/detail/CVE-2015-2534
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-105
• http://www.securitytracker.com/id/1033496