ThreatsIndustrial & OTHighSiemens SICAM 8 Remote Parameterization Resource Exhaustion Flaw Disables Substation Automation ControllersSiemens releases advisory SSA-246443 for high-severity flaw CVE-2026-27663 in SICAM 8 controllers, where resource exhaustion halts substation automation.CST Newsroom·20 Sep 2026, 16:00 IST·13 min read