cve-2025-11482

CVE-2025-11482 is a high-severity denial-of-service vulnerability in the OPC-UA server used by B&R PPT30 Operating System versions before 1.8.0 and in version 1.8.0 as an affected baseline, now fixed by update guidance. CISA republished ABB's advisory on June 4, 2026. While not a Windows flaw, this vulnerability is relevant to WindowsForum readers who manage mixed IT and operational technology networks where Windows workstations, engineering laptops, HMIs, historians, and industrial controllers coexist. The tag covers discussions about the vulnerability's impact on industrial environments, where a denial-of-service can lead to loss of visibility and control, and the importance of applying the recommended fixes.