CVE-2026-76440
Cisco Secure Email Gateway Security Hardening Release
Severity
Critical 9.8
CVSS 3.1
Exploited
Not listed
EPSS
0.005
38.7th percentile
Discovered by
Vendor
Vendor-published field
Published
Sep 14, 2026
Assigned by cisco
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-2026-76440 are related to path traversal issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-23.
Weakness: CWE-23
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco Secure Email Gateway | Email Security | cna-assigner |
Vendor-reported products (2)
- Cisco · Cisco Secure Email
- Cisco · Cisco Secure Email and Web Manager