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

T2Critical 100Covered by 1 source · first reported by Help Net Security at 02 Oct, 08:50 UTC

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…

security

Sources

• T2Critical FortiMail zero-day exploited in the wild (CVE-2026-104286)Help Net Security02 Oct, 08:50

Vulnerabilities

• CVE-2026-104286