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Cisco Secure Email Gateway and Secure Email and Web Manager Security Hardening Release: September 2026

medcisco_psirtPublished 2026-09-14

<p>As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.</p> <p>These vulnerabilities were found during internal test

MITRE ATT&CK techniques

Indicators of compromise

Original source: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-esa-dfCrfXkm?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=Cisco%20Secure%20Email%20Gateway%20and%20Secure%20Email%20and%20Web%20Manager%20Security%20Hardening%20Release:%20September%202026%26vs_k=1