Forwarded from Taiwan Computer Emergency Response Team/Coordination Center Security Advisory TWCERTCC-200-202610-00000023

[Description]
Cisco has released a critical security vulnerability advisory for Cisco Secure Email Gateway (CVE-2026-76519, CVSS: 9.8). This vulnerability exists in Advanced Malware Protection (AMP) and may allow unauthenticated remote attackers to write arbitrary files to the underlying operating system.

[Affected Platforms]
Cisco AsyncOS Software for Cisco Secure Email Gateway version 15.5, Cisco AsyncOS Software for Cisco Secure Email Gateway version 160, Cisco AsyncOS Software for Cisco Secure Email Gateway version 16.5

[Recommendations]
Please update to the following versions: Cisco AsyncOS Software for Cisco Secure Email Gateway version 15.5.5-014, Cisco AsyncOS Software for Cisco Secure Email Gateway version 16.5.0-780

[References]
1. https://www.twcert.org.tw/tw/cp-169-11288-17ac8-1.html