CVE-2026-5397 Vulnerability Related to an Uncontrolled Search Path Element in a UPS Management Application
Attackers can execute arbitrary code with administrator privileges by placing a malicious DLL in the application's installation directory.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-5397?
CVE-2026-5397 is a high-severity vulnerability in OMRON SOCIAL SOLUTIONS CO., Ltd. PowerAttendant Standard Edition, published on 15 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
It has been identified that a vulnerability (CWE-427) exists in the UPS (Uninterruptible Power Supply) management application, whereby improper permissions on the installation directory allow a malicious actor to place a DLL that is then executed with administrator privileges.
If a malicious DLL is placed in the installation directory of this product, there is a possibility that the malicious DLL may be executed by exploiting the product’s behavior of loading missing DLLs from the same directory as the executable during service startup.
Weakness: CWE-427
Which versions are affected by CVE-2026-5397?
How do I fix CVE-2026-5397?
No fix has been published for CVE-2026-5397 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-5397 being exploited?
There is no known exploitation of CVE-2026-5397 in the wild and no public exploit code.
Sources
Also known as GHSA-wx9r-9hf2-wq9p.