Global Microsoft Outlook outage reported as U.S. cybersecurity agency confirms active ...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) confirmed active exploitation of a zero-day vulnerability (CVE-2026-124194) in Microsoft Outlook, which can expose user authentication data by bypassing security warnings. Microsoft has issued security updates to fix the network-spoofing flaw, rated 6.5/10 severity, urging users to apply patches promptly.

This Wire brief sits within Fusion42's coverage of Cybersecurity.