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CVE-2019-16337

22
FAUCET Score

CVE-2019-16337 describes a use-after-free vulnerability in the hncbd90 component of Hancom Office 9.6.1.9403, triggered by a crafted .docx file. This high-severity flaw (CVSS 7.8) could lead to complete compromise of confidentiality, integrity, and availability if a user opens a malicious document. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
9.6.1.9403CPE matchmatch criteria
cpe:2.3:a:hancom:hancom_office_neo:9.6.1.9403:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.14%
Probability of exploitation in next 30 days
EPSS Percentile
63.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0114 is in the 61st percentile among its peer group of 11,621 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

help.hancom.com / update_en_multilang/details/HOfficeNEO_update.htm
Release NotesVendor Advisory
starlabs.sg / advisories
ExploitThird Party Advisory