Answer in brief
CVE-2026-76443 records a Unknown severity vulnerability in Cisco Secure Email Gateway Security Hardening Release. The current sources do not mark it as known exploited. The current feed maps Cisco/Cisco Secure Email (generic), Cisco/Cisco Secure Email and Web Manager (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Cisco/Cisco Secure Email (generic), Cisco/Cisco Secure Email and Web Manager (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Cisco/Cisco Secure Emailgeneric | 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 | Not reported |
| Cisco/Cisco Secure Email and Web Managergeneric | 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 | Not reported |
Published upstream
Sep 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 14, 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-2026-76443 are related to issues with improper neutralization that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-707.
Quoted source text, attributed separately from HOL analysis.