high severity September 01, 2026 · 1 min read

CISA ICS Advisory: Rockwell Automation FactoryTalk Activation Manager

Here’s what this advisory affects, and what to do about it.

The following versions of Rockwell Automation FactoryTalk Activation Manager are affected: FactoryTalk Activation Manager V5.02_and_below (CVE-2026-16675) Rockwell Automation FactoryTalk Activation Manager

CISA ICS Advisory: Rockwell Automation FactoryTalk Activation Manager

CISA published an ICS advisory on September 01, 2026, warning that certain versions of Rockwell Automation FactoryTalk Activation Manager contain a vulnerability that could allow remote code execution.

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Improper access control in activation service

The advisory states that FactoryTalk Activation Manager V5.02 and below are affected by CVE-2026-16675. Successful exploitation of the flaw could allow an attacker to execute arbitrary code on the system. The advisory does not say whether the vulnerability has been exploited in the wild.

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Affected products

The advisory names only one product family: Rockwell Automation FactoryTalk Activation Manager V5.02 and below. No other versions, products, or sectors are specified.

What to do

Determine whether any instances of FactoryTalk Activation Manager V5.02 or earlier are running in your environment.
Apply the update or mitigation steps provided by Rockwell Automation for this vulnerability.
Follow the specific recommendations listed in the CISA advisory, including any compensating controls for systems that cannot be immediately updated.
Monitor Rockwell Automation’s official channels for additional patches or guidance.
Review network segmentation and access controls around industrial software management systems.

Organisations operating industrial control systems should treat this advisory as part of routine vulnerability management rather than a one-off event.

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Sources: CISA ICS Advisory

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