CVE-2026-28704 Other in Emocheck
Attackers can execute arbitrary code by placing a malicious DLL in the application directory, affecting Emocheck users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-28704?
CVE-2026-28704 is a high-severity vulnerability in Japan Computer Emergency Response Team Coordination Center (JPCERT/CC) Emocheck, published on 10 Apr 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-427
Which versions are affected by CVE-2026-28704?
It affects 1 product.
Products include Jpcert Emocheck.
How do I fix CVE-2026-28704?
No fix has been published for CVE-2026-28704 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-28704 being exploited?
There is no known exploitation of CVE-2026-28704 in the wild and no public exploit code.
Sources
Also known as GHSA-cvcj-h2fq-82fw.