Critical FortiMail zero-day exploited in the wild (CVE-2026-104286)

Help Net Security1 hr ago

Illustration · Exploited in the wild

Fortinet is warning customers that attackers are exploiting a zero-day vulnerability (CVE-2026-104286) in FortiMail, its email security gateway. Fortinet says the flaw has been reported to be exploited in the wild, and urges customers to apply the workaround it shared until fixes are available. About CVE-2026-104286 “A

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Critical FortiMail zero-day exploited in the wild (CVE-2026-104286)

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