[Control systems] ABB security advisory (AV26-163)

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        <div><p><strong>Serial number: </strong>AV26-163<br /><strong>Date: </strong>February 24, 2026</p>

On February 24, 2026, ABB published security advisories to address vulnerabilities in the following products:

• AC500 V3 firmware – versions prior to 3.9.0
• Automation Builder – versions prior to 2.9.0

The Cyber Centre encourages users and administrators to review the provided web links and perform the suggested mitigations.

• AC500 V3 Multiple vulnerabilities - CVE IDs: CVE-2025-2595, CVE-2025-41659, CVE-2025-41691
• ABB Automation Builder Gateway for Windows with insecure defaults CVE ID: CVE-2024-41975
• ABB Cyber security alerts and notifications

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Article Link: [Control systems] ABB security advisory (AV26-163) - Canadian Centre for Cyber Security