VULNERABILITY INTELLIGENCE

CVE-2022-33896

CVSS score7.8 HIGH
EPSS probability0.53%
CISA KEVNot currently listed
Published2022-10-07
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A specially-crafted malformed file can cause memory corruption by using memory before buffer start, which can lead to code execution. A victim would need to access a malicious file to trigger this vulnerability.

Weakness classification

  • talos-cna@cisco.com: CWE-124

Primary references