The Register

Cisco make-me-root email bug exploited as a 0-day by unknown crims

VulnerabilityCriticalCVE-2026-76519secure email gateway

Cisco Secure Email Gateway contains a critical remote-code-execution vulnerability (CVE-2026-76519, CVSS 9.8) being actively exploited as a zero-day by unknown attackers. The flaw allows unauthenticated remote code execution with root privileges, affecting a limited number of customers.

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https://www.theregister.com/security/2026/10/14/cisco-make-me-root-email-bug-exploited-as-a-0-day-by-unknown-crims/5303168