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Fortinet's critical FortiMail zero-day CVE-2026-104286 is being exploited, but fixed builds are still pending.
Summary
Here's what administrators should do now.
This is a brief wire summary, the full story (linked below) has the complete details.
KazaSec's take
Incidents like this rarely start with the headline event itself, they usually trace back to an exposed remote-access endpoint, an unpatched perimeter system, or a credential phished weeks earlier. The organizations that recover fastest are the ones that tested their defenses and their incident response plan before they needed them.
Coverage details
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