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September 15, 2026

Root Mail: Cisco Email Gateway Zero-Day

Root Mail: Cisco Email Gateway Zero-Day

Root Mail: Cisco Email Gateway Zero-Day

Cisco says attackers are exploiting CVE-2026-76461 in Secure Email Gateway, where a crafted email can reach root command execution through faulty parsing. Patch AsyncOS immediately and inspect external network and firewall telemetry because root-level intruders may hide evidence.

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