CVE-2015-2362: Microsoft Windows 8

High severity, CVSS 7.2. EPSS: 1.6% chance of exploitation in the next 30 days.

Hyper-V in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 8, Windows 8.1, and Windows Server 2012 Gold and R2 does not properly initialize guest OS system data structures, which allows guest OS users to execute arbitrary code on the host OS by leveraging guest OS privileges, aka "Hyper-V System Data Structure Vulnerability."

Affected products

• Microsoft Windows 8: affected versions not specified
• Microsoft Windows 8.1: affected versions not specified
• Microsoft Windows Server 2008: any version; version r2 only
• Microsoft Windows Server 2012: affected versions not specified; version r2 only

Published 2015-07-14. Last modified 2026-06-17.