CVE-2016-2336: Ruby-Lang Ruby

Critical severity, CVSS 9.8. EPSS: 3.4% chance of exploitation in the next 30 days.

Type confusion exists in two methods of Ruby's WIN32OLE class, ole_invoke and ole_query_interface. Attacker passing different type of object than this assumed by developers can cause arbitrary code execution.

Affected products

• Ruby-Lang Ruby: version 2.2.2 only; version 2.3.0 only

Published 2017-01-06. Last modified 2026-06-17.