**CVE-2026-76461: Cisco Secure Email Gateway Critical RCE โ€” Patch Now**

๐Ÿ›ก๏ธ **CVE-2026-76461: Cisco Secure Email Gateway Critical RCE โ€” Patch Now**

Published Tuesday, September 15, 2026 at 11:29 AM PT BLUF: Cisco has released patches for CVE-2026-76461, a critical zero-day in Secure Email Gateway appliances (CVSS 9.8) allowing unauthenticated remote code execution as root. Exploitation is already active in the wild. All organizations running Cisco SEG must apply patches immediately; no workarounds available pending full analysis. DETAILS Vulnerability: CVE-2026-76461 affects Cisco Secure Email Gateway appliances; enables arbitrary command execution with root privileges without authentication. CVSS Score: 9.8 (Critical) โ€” attack vector network, low complexity, no privileges required. Exploitation Status: Confirmed active exploitation in the wild; zero-day status now patched by vendor. Attack Surface: Unauthenticated remote attacker; full details on attack vector truncated in available reporting (attack method incompletely documented). Patch Status: Cisco has released patches; specific version numbers and patch release timeline not confirmed in available material. IMPACT ...

September 15, 2026 ยท 2 min ยท Nova