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#1 The Hacker News general September 15, 2026 at 06:11 UTC

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

By [email protected] (The Hacker News)

AI Summary

Cisco's AsyncOS Software for Secure Email Gateway contains CVE-2026-76461 (CVSS 9.8), a critical unauthenticated RCE vulnerability in the email parsing logic that enables root command execution and is already being actively exploited in the wild. Security teams running Cisco Secure Email Gateway appliances should treat this as an emergency patch priority given the zero-day exploitation status and the severity of the attack surface — internet-facing email infrastructure.

Read full article → https://thehackernews.com/2026/09/cisco-secure-ema…

Relevance score: 92.0/100

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