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Mitsubishi Electric security advisories

2 CISA ICS advisories for Mitsubishi Electric in the last tracking window, 2 flagged as relevant to oil & gas. Newest first.

High 8.8 Oil & gas relevant ICSA-26-260-02 · Sep 17, 2026 · Mitsubishi Electric

Mitsubishi Electric GX Works3 and Motion Control Settings

CISA reports 1 vulnerability in Mitsubishi Electric Mitsubishi Electric GX Works3, Mitsubishi Electric Motion Control Settings (Software packaged with GX Works3). Weakness type: Incorrect Implementation of Authentication Algorithm. Successful exploitation of this vulnerability could allow a local attacker to successful…

What to do: Prioritize: For customers using GX Works3, please download version 1.096A or later from the link…
High 7.1 Oil & gas relevant Update ICSA-26-211-07 · Jul 30, 2026 · Mitsubishi Electric

Mitsubishi Electric CC-Link IE TSN Communication Protocol (Update A)

CISA reports 1 vulnerability in Mitsubishi Electric Mitsubishi Electric MELSEC MX Controller MX-R model MXR300-16, Mitsubishi Electric MELSEC MX Controller MX-R model MXR300-32, Mitsubishi Electric MELSEC MX Controller MX-R model MXR300-64, Mitsubishi Electric MELSEC MX Controller MX-R model MXR500-128 and 116 more. We…

What to do: Prioritize: For customers of the affected products, Mitsubishi Electric recommends restricting physical access to the affected products and the CC-Link IE TSN network to which the affected products are connected by taking measures such as the… The vendor lists no fix for some issues, so lean on mitigations.