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Fortinet sounds the alarm over actively exploited FortiMail zero-day

Summary

Security

The flaw, tracked as CVE-2026-104286, carries a CVSS score of 9.8 and affects multiple versions of Fortinet's email security platform.

Headline check

The one thing this headline claims is in the report.

Figures, names and quoted words in the headline, looked for in the report itself — not in the summary above. One claim in this headline could be checked, so this is a narrow pass and not a thorough one. How this is checked

A summary of The Register’s report. The score is for the full 377-word report.

How calmly it was written

Only this newsroom has covered it so far.

Outlet Niral Score
The Registeras they published this story 88.9

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