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Root RCE Zero-Day in Cisco Secure Email Gateway Under Active Exploitation

SecurityWeek
· September 15, 2026

AI summary

A zero-day vulnerability in Cisco Secure Email Gateway is being actively exploited, allowing an unauthenticated attacker to execute arbitrary commands with root privileges on the underlying operating system. The vulnerability is identified as CVE-2026-76461. This exploit enables remote code execution with elevated privileges.

Vulnerabilities mentioned

Read the full article at SecurityWeekwww.securityweek.com/root-rce-zero-day-in-cisco-secure-email-gateway-under-active-exploitation/

This is an AI-generated brief aggregated by HackerFeeds for convenience and grounded in the source’s own summary; the related CVE, threat-group and country data is from HackerFeeds’ own indexes. The original article is the authoritative source — all rights belong to SecurityWeek.