CVE-2026-15688CWE-303

CVE-2026-15688

published September 17, 2026

CVSS
9.2
EPSS
0%
Percentile
2.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
9.2 · NONE
CVSS v4.0
9.2 · CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:H/SA:H
EPSS
0.00127 · 2.1th percentile
Weakness
CWE-303 · Incorrect Implementation of Authentication Algorithm
Published
2026-09-17T13:16Z
References (3)
https://jvn.jp/vu/JVNVU99700314 · [email protected]https://www.cisa.gov/news-events/ics-advisories/icsa-26-260-02 · [email protected]https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-007_en.pdf · [email protected]
EPSS history
Timeline
  • 18 SEP 03:58Z
    EPSS moved — → 0%
    epss
  • 17 SEP 08:15Z
    Password Authentication Bypass Vulnerability in GX Works3 and Motion Control Setting
    cvelistv5