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Vulnerability record · CVE-2026-28704 · published 10 April 2026

CVE-2026-28704: Jpcert emocheck uncontrolled search path element vulnerability

Jpcert · Emocheck

Emocheck insecurely loads Dynamic Link Libraries (DLLs). If a crafted DLL file is placed to the same directory, an arbitrary code may be executed with the privilege of the user invoking EmoCheck.

8.4 CVSS 4.0 High EPSS 0.20% · top 90.9% CWE-427 · Uncontrolled search path element
8.4CVSS 4.0 base score
0.20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

Emocheck insecurely loads Dynamic Link Libraries (DLLs). If a crafted DLL file is placed to the same directory, an arbitrary code may be executed with the privilege of the user invoking EmoCheck.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/JPCERTCC/EmoCheck/ Product
https://jvn.jp/en/jp/JVN00263243/ Third Party Advisory
https://www.jpcert.or.jp/press/2026/PR20260410.html Third Party Advisory

Track CVE-2026-28704 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2020-3433Cisco AnyConnect Windows client DLL hijacking via IPC channelCisco AnyConnect Secure Mobility Client for Windows fails to properly validate resources loaded at run time, allowing a DLL hijacking attack through …KEVEPSS 10%analysed6.5CVE-2020-3153Cisco AnyConnect Windows Installer Path Handling Privilege EscalationThe Cisco AnyConnect Secure Mobility Client for Windows installer mishandles directory paths, letting an authenticated local user copy attacker-suppl…KEVEPSS 28%analysed

Source: NIST National Vulnerability Database (record CVE-2026-28704), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.