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CVE-2019-5913

24
FAUCET Score

CVE-2019-5913 describes an untrusted search path vulnerability within the installer of LHMelting for Win32 (versions 1.65.3.6 and earlier), affecting both micco and Microsoft Windows environments. This high-severity vulnerability, rated 7.8 CVSSv3, allows an attacker to achieve privilege escalation by placing a malicious DLL in an unspecified directory, which the installer then loads. While the attack requires user interaction (UI:R) and local access (AV:L), successful exploitation grants high impact to confidentiality, integrity, and availability (C:H/I:H/A:H). Currently, there is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage, indicating low current threat activity.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.65.3.6CPE matchmatch criteria
cpe:2.3:a:micco:lhmelting:*:*:*:*:*:*:*:*

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
0.80%
Probability of exploitation in next 30 days
EPSS Percentile
52.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0080 is in the 49th percentile among its peer group of 11,616 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

jvn.jp / en/jp/JVN83826673/index.html
Third Party Advisory
micco.mars.jp / vul/2017/mhsvi20170515_01.htm
PatchVendor Advisory