CVE-2019-16338: Hancom Office Neo

High severity, CVSS 7.8. EPSS: 1% chance of exploitation in the next 30 days.

The tfo_common component in HwordApp.dll in Hancom Office 9.6.1.7634 allows a use-after-free via a crafted .docx file.

Affected products

• Hancom Hancom Office Neo: version 9.6.1.7634 only

Published 2020-03-19. Last modified 2026-06-17.