Cisco Secure Email Gateway Security Hardening Release
Summary
| CVE | CVE-2026-76442 |
|---|---|
| State | PUBLISHED |
| Assigner | cisco |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-09-14 17:17:50 UTC |
| Updated | 2026-09-14 17:17:50 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Problem Types: CWE-1284 | CWE-1284 Improper Validation of Specified Quantity in Input
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | CNA | CVSSV3_1 | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Cisco | Cisco Secure Email | affected 14.0.0-698 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 13.5.1-277 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 13.0.0-392 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 14.2.0-620 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 13.0.5-007 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 13.5.4-038 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 14.2.1-020 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 14.3.0-032 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 15.0.0-104 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 15.0.1-030 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 15.5.0-048 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 15.5.1-055 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 15.5.2-018 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 16.0.0-050 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 15.0.3-002 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 16.0.0-054 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 15.5.3-022 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 16.0.1-017 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 15.5.4-012 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 16.0.4-016 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 15.0.5-016 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 16.0.2-112 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 16.0.3-044 | Not specified |
| CNA | Cisco | Cisco Secure Email | affected 16.5.0-780 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 13.6.2-023 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 13.6.2-078 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 13.0.0-249 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 13.0.0-277 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 13.8.1-052 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 13.8.1-068 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 13.8.1-074 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 14.0.0-404 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 12.8.1-002 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 14.1.0-227 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 13.6.1-201 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 14.2.0-203 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 14.2.0-212 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 12.8.1-021 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 13.8.1-108 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 14.2.0-224 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 14.3.0-120 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 15.0.0-334 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 15.5.1-024 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 15.5.1-029 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 15.5.2-005 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 16.0.0-195 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 15.5.3-017 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 16.0.1-010 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 15.0.1-035 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 16.0.2-088 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 15.5.4-007 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 15.0.2-007 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 16.0.4-010 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 16.0.3-016 | Not specified |
| CNA | Cisco | Cisco Secure Email And Web Manager | affected 16.5.0-429 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-harden... | [email protected] | sec.cloudapps.cisco.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
Exploits
CNA: Except as otherwise noted previously, the Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.
There are currently no legacy QID mappings associated with this CVE.