Cyber Risks · Cisco Talos

Vulnerability Spotlight: Multiple Arbitrary Code Execution Vulnerabilities Identified in Hancom Hangul Office

Summary: Cisco Talos identified 8 arbitrary code execution vulnerabilities in Hancom Hangul Office, and Hancom has released a software update addressing them. Hancom Office is the South Korean government's official productivity suite and holds roughly 30% of the country's productivity suite market share, and North Korean government-backed attacks have previously exploited Hangul word processor vulnerabilities in incidents documented in 2013 and 2015.

Why it matters: A productivity suite used across South Korean government systems and public institutions carries 8 code execution flaws, and the North Korean government is believed to have exploited Hangul vulnerabilities before - so patch status on Hancom installs is a nation-state exposure question, not a routine update.

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Topics
Vulnerabilities & Patching
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