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CVE-2025-29867

HIGH
8.5
CVSS Score
Published: February 4, 2026 at 04:46 AM UTC
Updated: June 17, 2026 at 09:05 AM UTC
4 products affected across 1 vendorHancom Office 2020Hancom Office 2018Hancom Office 2024

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Severity
HIGH8.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Access of Resource Using Incompatible Type ('Type Confusion') vulnerability in Hancom Inc. Hancom Office 2018, Hancom Inc. Hancom Office 2020, Hancom Inc. Hancom Office 2022, Hancom Inc. Hancom Office 2024 allows File Content Injection.This issue affects Hancom Office 2018: before 10.0.0.12681; Hancom Office 2020: before 11.0.0.8916; Hancom Office 2022: before 12.0.0.4426; Hancom Office 2024: before 13.0.0.3050.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Hancom Office 2018· Hancom
60%
v < 10.0.0.12681
Affected range stops below 10.0.0.12681, so it looks safe — our inference, not a vendor statement
Hancom Office 2020· Hancom
60%
v < 11.0.0.8916
Affected range stops below 11.0.0.8916, so it looks safe — our inference, not a vendor statement
Hancom Office 2022· Hancom
60%
v < 12.0.0.4426
Affected range stops below 12.0.0.4426, so it looks safe — our inference, not a vendor statement
Hancom Office 2024· Hancom
60%
v < 13.0.0.3050
Affected range stops below 13.0.0.3050, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: cverecord
https://www.boho.or.kr/kr/bbs/view.do?searchCnd=&bbsId=B0000302&searchWrd=&menuNo=205023&pageIndex=1&categoryCode=&nttId=71959
Source: cverecord
https://www.hancom.com/support/downloadCenter/download

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.5HIGHkrcert
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-843

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