CVE-2026-15688

CVSS 9.2 (critical) · published 2026-09-17

Incorrect Implementation of Authentication Algorithm Vulnerability in Mitsubishi Electric GX Works3 and Motion Control Setting allows a local attacker to successfully authenticate even with an invalid block password by executing the affected product and modifying part of the executable module in memory, and thereby may be able to view, tamper with, destroy, or delete control programs.

Weakness: CWE-303

Source: NVD CVE-2026-15688

References

• https://jvn.jp/vu/JVNVU99700314
• https://www.cisa.gov/news-events/ics-advisories/icsa-26-260-02
• https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-007_en.pdf

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