SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-16190

Untrusted search path vulnerability in UNARJ32.DLL for Win32, LHMelting for Win32, and LMLzh32.DLL (UNARJ32.DLL for Win32 Ver 1.10.1.25 and earlier, LHMelting for Win32 Ver 1.65.3.6 and earlier, LMLzh32.DLL Ver 2.67.1.2 and earlier) allows an attacker…

HIGH 7.8EPSS 0.93%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.93%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Untrusted search path vulnerability in UNARJ32.DLL for Win32, LHMelting for Win32, and LMLzh32.DLL (UNARJ32.DLL for Win32 Ver 1.10.1.25 and earlier, LHMelting for Win32 Ver 1.65.3.6 and earlier, LMLzh32.DLL Ver 2.67.1.2 and earlier) allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.

CVSS 3.0
7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.93% probability · 61th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-426
Affected
micco/lhmelting · micco/lmlzh32.dll · micco/unarj32.dll · micco/unlha32.dll
Source
vultures@jpcert.or.jp
EPSS trend
0%3%5%27 October 2026: 0.93%27 October 202627 October 2026

EPSS 0.9% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.