CVE-2007-1221: Microsoft Xbox 360

High severity, CVSS 7.2. EPSS: 1.7% chance of exploitation in the next 30 days.

The Hypervisor in Microsoft Xbox 360 kernel 4532 and 4548 allows attackers with physical access to force execution of the hypervisor syscall with a certain register set, which bypasses intended code protection.

Affected products

• Microsoft Xbox 360: version 4532 only; version 4548 only

Published 2007-03-02. Last modified 2026-06-16.