Cisco Urges Customers to Patch Email Gateway Flaw and Check for Compromise

Reported by Security Affairs (Pierluigi Paganini)

Summary by Cyber Security News15 Oct 2026, 11:27 CEST

About this summary. This is a short, independently written summary of an article first published by Security Affairs. Cyber Security News did not report or verify the underlying story. Read the original: https://securityaffairs.com/200985/security/cisco-urges-customers-to-patch-email-gateway-flaw-and-check-for-compromise.html

Attackers exploit a critical Cisco email gateway flaw to gain root access. Cisco urges customers to update scanner tools and check for compromise. Cisco confirmed this week that threat actors are exploiting a critical vulnerability in Cisco Secure Email Gateway, tracked as CVE-2026-76519 with a CVSS score of 9.8.

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