(TLP:CLEAR) CISA ICS Advisories, Additional Alerts, Updates, and Bulletins – November 05, 2026

The Cybersecurity and Infrastructure Security Agency (CISA) has published the following ICS security advisories, along with additional alerts, updates, and bulletins:

ICS Advisories:

On November 5, 2026, CISA Released One Industrial Control Systems Advisory for products used across multiple sectors, please check these latest advisories for specific equipment used across your ICS/SCADA environments and address accordingly:

• Mitsubishi Electric CC-Link IE TSN Communication Protocol (Update B)

On November 3, 2026, CISA Released One Industrial Control Systems Advisory for products used across multiple sectors, please check these latest advisories for specific equipment used across your ICS/SCADA environments and address accordingly:

• Subnet Solutions PowerSYSTEM Center – used in Energy

Additional Alerts, Updates, and Bulletins:

• November 4 – CISA Adds One Known Exploited Vulnerability to Catalog
• November 3 – CISA Adds One Known Exploited Vulnerability to Catalog
• October 30 – CISA Adds Two Known Exploited Vulnerabilities to Catalog
• October 29 – CISA Adds Two Known Exploited Vulnerabilities to Catalog
• US Government Partners Urge Hardening Industrial Refrigeration and Cold Chain Monitoring Systems
• Post-Quantum Questions to Ask Your Vendors