What is CVE-2026-42936?

CVE-2026-42936 is a high-severity vulnerability in Sbi Securities Co.,ltd. Hyper 2, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2026-07-15.

How severe is CVE-2026-42936?

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

Vulnerability in Sbi Securities Co.,ltd. Hyper 2

CVE-2026-42936

The installer of HYPER SBI 2 insecurely loads Dynamic Link Libraries. If there is a crafted DLL at the same directory when invoking the affected installer, arbitrary code may be executed with the privilege of the user invoking the installer.

EPSS: 0.002 (7.3th 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

Sbi Securities Co.,ltd. Hyper 2 — versions 0

Weakness classification (CWE)

CWE-427 — Uncontrolled Search Path Element

References

vultures@jpcert.or.jp

Frequently asked questions

What is CVE-2026-42936?: CVE-2026-42936 is a high-severity vulnerability in Sbi Securities Co.,ltd. Hyper 2, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2026-07-15.
How severe is CVE-2026-42936?: High severity. CVSS v3 base score is 7.8 out of 10.