Oracle VirtualBox BusLogic Uninitialized Memory Information Disclosure Vulnerability

Oracle VirtualBox contains a local information disclosure vulnerability (CVE-2026-21963) that allows attackers with high-privilege code execution on a guest system to access sensitive information. The vulnerability has a CVSS score of 6.0 (Medium severity) and requires the attacker to already have elevated access on the target system. Security teams should prioritize patching VirtualBox installations and implementing access controls to limit high-privilege code execution on guest systems.