CVE-2010-0026: Microsoft Windows Server 2008

Medium severity, CVSS 4.0. EPSS: 1.6% chance of exploitation in the next 30 days.

The Hyper-V server implementation in Microsoft Windows Server 2008 Gold, SP2, and R2 on the x64 platform allows guest OS users to cause a denial of service (host OS hang) via a crafted application that executes a malformed series of machine instructions, aka "Hyper-V Instruction Set Validation Vulnerability."

Affected products

• Microsoft Windows Server 2008: any version

Published 2010-02-10. Last modified 2026-06-16.