[Control systems] ABB security advisory (AV26-545)

Serial number: AV26-545
Date: June 3, 2026

On June 3, 2026, ABB published a security advisory to address vulnerabilities in the following product:

• T-MAC Plus – versions prior to 4.0-24.

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

• Vulnerabilities in T-MAC Plus (CVE-2025-14771, CVE-2025-14772, CVE2025-14773, CVE-2025-14774)
• ABB Cyber security alerts and notifications