CVE-2026-76443
Cisco Secure Email Gateway Security Hardening Release
CVSS Score
9.8
EPSS Score
0.4%
EPSS Percentile
30th
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-2026-76443 are related to issues with improper neutralization that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-707.
| CWE | CWE-707 |
| Vendor | cisco |
| Product | cisco secure email |
| Ecosystems | |
| Industries | NetworkingTelecommunications |
| Published | Sep 14, 2026 |
| Last Updated | Sep 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Cisco / Cisco Secure Email
14.0.0-698 13.5.1-277 13.0.0-392 14.2.0-620 13.0.5-007 13.5.4-038 14.2.1-020 14.3.0-032 15.0.0-104 15.0.1-030 15.5.0-048 15.5.1-055 15.5.2-018 16.0.0-050 15.0.3-002 16.0.0-054 15.5.3-022 16.0.1-017 15.5.4-012 16.0.4-016 15.0.5-016 16.0.2-112 16.0.3-044
Cisco / Cisco Secure Email and Web Manager
13.6.2-023 13.6.2-078 13.0.0-249 13.0.0-277 13.8.1-052 13.8.1-068 13.8.1-074 14.0.0-404 12.8.1-002 14.1.0-227 13.6.1-201 14.2.0-203 14.2.0-212 12.8.1-021 13.8.1-108 14.2.0-224 14.3.0-120 15.0.0-334 15.5.1-024 15.5.1-029 15.5.2-005 16.0.0-195 15.5.3-017 16.0.1-010 15.0.1-035 16.0.2-088 15.5.4-007 15.0.2-007 16.0.4-010 16.0.3-016