ICS Patch Tuesday: Schneider Electric, Siemens Fix Critical Flaws
September ICS Patch Tuesday brings critical fixes from Schneider Electric, Siemens, and Aveva, including CVSS 9.2 authentication flaw CVE-2026-3869 in Modicon M580 controllers.
52
September ICS Patch Tuesday brings critical fixes from Schneider Electric, Siemens, and Aveva, including CVSS 9.2 authentication flaw CVE-2026-3869 in Modicon M580 controllers.
Canada's Cyber Centre flags vulnerabilities across multiple Rockwell Automation ICS products including ControlLogix 5580 and RSLinx Classic.
CISA flags four flaws (CVE-2026-9621/9622/9624/9625) in Rockwell RSLinx Classic 4.50 and below that can cause denial-of-service conditions; CVSS 8.6.
Entities are extracted by the model from each article. First seen , last mentioned . Watching keeps it in this browser only (no account); the watchlist page and dashboard alerts use it.
Today 984 readers · 1.3K views · 575 reads · all time 168K views