Microsoft Patches Critical Zero-Click Outlook Vulnerability Threatening Enterprises

CVE-2026-40361, a critical zero-click vulnerability in Outlook, poses a significant threat to enterprises, reminiscent of the "enterprise killer" BadWinmail from a decade ago. As a cybersecurity professional, ensure your organization's patch management processes are agile and responsive to swiftly mitigate such high-risk vulnerabilities, particularly those affecting widely-used applications like Outlook.