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.

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00142.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
SBI SECURITIES Co.,Ltd. HYPER SBI 2 affected
Version Status Constraints
0 affected < ver.3.20.0

No data.

No data.

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Vendors Products
Sbi Securities Subscribe
Hyper Sbi 2 Subscribe

Project Subscriptions

Vendors Products
Sbi Securities Subscribe
Hyper Sbi 2 Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://jvn.jp/en/jp/JVN59875262/ cve-icon
History

Mon, 27 Jul 2026 13:15:00 +0000

Type Values Removed Values Added
First Time appeared Sbi Securities
Sbi Securities hyper Sbi 2
Vendors & Products Sbi Securities
Sbi Securities hyper Sbi 2

Sat, 25 Jul 2026 08:15:00 +0000

Type Values Removed Values Added
Title DLL preloading vulnerability in HYPER SBI 2 installer

Fri, 17 Jul 2026 17:15:00 +0000

Type Values Removed Values Added
Title Installer Loads DLLs Unvalidated Leading to Arbitrary Code Execution

Thu, 16 Jul 2026 01:30:00 +0000

Type Values Removed Values Added
Title Installer Loads DLLs Unvalidated Leading to Arbitrary Code Execution

Wed, 15 Jul 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 15 Jul 2026 05:30:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-427
References
Metrics cvssV3_0

{'score': 7.8, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.4, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-07-15T13:55:25.402Z

Reserved: 2026-07-10T01:12:30.231Z

Link: CVE-2026-42936

cve-icon Vulnrichment

Updated: 2026-07-15T13:55:11.025Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-27T12:51:39Z

Weaknesses