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CiscoCVE-2026-76442

Cisco Secure Email: improper quantity validation

High7.5CVE-2026-76442 · Published Sep 14, 2026 · updated Sep 16, 2026

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.

Cisco advisory

Affected versions

PackageAffectedFixed in
Cisco Secure Email
Product
<= 14.0.0-698No fix yet
<= 13.5.1-277No fix yet
<= 13.0.0-392No fix yet
<= 14.2.0-620No fix yet
Cisco Secure Email and Web Manager
Product
<= 13.6.2-023No fix yet
<= 13.6.2-078No fix yet
<= 13.0.0-249No fix yet
<= 13.0.0-277No fix yet
Details and references

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