Microsoft breaks Patch Tuesday record with 974-CVE deluge

The Register security feed covers a broad set of September 2026 cybersecurity developments, including large-scale vulnerability disclosures and active exploitation, phishing and credential theft, ransomware and extortion, cloud and software supply-chain compromises, healthcare and critical-infrastructure incidents, AI-agent security risks, data exposure, and cybersecurity policy. Several reports describe urgent threats: actively exploited SonicWall and JFrog Artifactory vulnerabilities, a CrowdStrike Falcon exploit proof of concept, mass Microsoft 365 credential theft, major cryptocurrency and