CVE-2026-15688
Critical
Description
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.
SeverityCritical
CVSS9.2
Exploit probability—
ProductMotion Control Setting
PublishedSep 17, 2026
First seenSep 17, 2026
Weakness typeCWE-303CWE-303
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Mitsubishi Electric Corporation Motion Control Setting | No range specified | — |
| Mitsubishi Electric Corporation GX Works3 | No range specified | — |
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