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Cisco Secure Email Gateway Flaw Exploited in the Wild, Enables Root Command Execution

The Hacker News
· September 15, 2026

AI summary

Cisco has reported that a critical vulnerability in AsyncOS Software for Cisco Secure Email Gateway is being actively exploited. The vulnerability has a high CVSS score of 9.8, indicating a severe impact. It is related to insufficient validation in the email parsing logic. This flaw could allow an unauthenticated, remote attacker to execute commands with root privileges. The vulnerability is identified as CVE-2026-76461. Cisco has acknowledged the active exploitation of this vulnerability in the wild.

Vulnerabilities mentioned

Read the full article at The Hacker Newsthehackernews.com/2026/09/cisco-secure-email-gateway-flaw.html

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