What’s Vulnerable › Vulnerabilities

CVE-2026-42936

• Severity: high (CVSS 8.4 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-15 · updated 2026-10-24
• Weakness: CWE-427

Description

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.

Affected products

• SBI SECURITIES Co.,Ltd. HYPER SBI 2: before ver.3.20.0 — fixed in ver.3.20.0

How to fix

Upgrade to a fixed version: SBI SECURITIES Co.,Ltd. HYPER SBI 2 ver.3.20.0. Check the vendor advisory for mitigations.

References

• https://jvn.jp/en/jp/JVN59875262/

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