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. The vulnerabilities tracked by CVE-2026-76442 are related to issues with improper validation of specified quantity in input that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-1284.
https://thehackernews.com/2026/09/cisco-warns-of-new-zero-day-ise-auth.html
https://www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-Identification