Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2015-6585

22
FAUCET Score

CVE-2015-6585 describes a critical type confusion vulnerability in hwpapp.dll within Hancom Hangul Word Processor, allowing remote attackers to execute arbitrary code through a crafted heap spray and a malicious HWPX file. With a CVSS score of 7.8 (High), this vulnerability requires user interaction (UI:R) but has low attack complexity (AC:L), enabling high impact on confidentiality, integrity, and availability (C:H/I:H/A:H). While no public exploit code (Metasploit, Nuclei, ExploitDB) is available, the vulnerability has garnered significant community discussion and media coverage, including reports of its use in attacks attributed to North Korea.

Impacted Technologies

VendorProductVersion(s)CPE
2014CPE matchmatch criteria
cpe:2.3:a:hancom:hangul_word_processor:2014:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
2.49%
Probability of exploitation in next 30 days
EPSS Percentile
83.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0249 is in the 83rd 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

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

fireeye.com / blog/threat-research/2015/09/zero-day_hwp_exploit.html
Third Party Advisory
fireeye.com / content/dam/fireeye-www/global/en/blog/threat-research/FireEye_HWP_ZeroDay.pdf
Third Party Advisory
hancom.com / cs_center/csDownload.do
Vendor Advisory
securityfocus.com / bid/76694
Third Party AdvisoryVDB Entry