What is CVE-2026-28704?

CVE-2026-28704 is a high-severity vulnerability in Japan Computer Emergency Response Team Coordination Center (Jpcert/cc) Emocheck, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2026-04-10.

How severe is CVE-2026-28704?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Japan Computer Emergency Response Team Coordination Center (Jpcert/cc) Emocheck

CVE-2026-28704

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.

EPSS: 0.000 (3.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Japan Computer Emergency Response Team Coordination Center (Jpcert/cc) Emocheck — versions all versions

Weakness classification (CWE)

CWE-427 — Uncontrolled Search Path Element

References

Frequently asked questions

What is CVE-2026-28704?: CVE-2026-28704 is a high-severity vulnerability in Japan Computer Emergency Response Team Coordination Center (Jpcert/cc) Emocheck, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2026-04-10.
How severe is CVE-2026-28704?: High severity. CVSS v3 base score is 7.8 out of 10.