CVE-2015-1647: Microsoft Windows 8.1

Low severity, CVSS 2.1. EPSS: 1.8% chance of exploitation in the next 30 days.

Virtual Machine Manager (VMM) in Hyper-V in Microsoft Windows 8.1 and Windows Server 2012 R2 allows guest OS users to cause a denial of service (VMM functionality loss) via a crafted application, aka "Windows Hyper-V DoS Vulnerability."

Affected products

• Microsoft Windows 8.1: affected versions not specified
• Microsoft Windows Server 2012: version r2 only

Published 2015-04-14. Last modified 2026-06-17.