Vulnerabilities · InfosecFeed Brief

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

What you need to know

Cisco has warned that a new critical vulnerability impacting AsyncOS Software for Cisco Secure Email Gateway has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-76461, carries a CVSS score of 9.8 out of a maximum of 10.0. It has been described as a case of insufficient validation in the email parsing logic that could…

Source transparency

This is an InfosecFeed curated brief based on reporting from The Hacker News. InfosecFeed does not claim ownership of the original reporting.

Read the original report at The Hacker News ↗