Cisco Secure Email Gateway Security Hardening Release

Summary

CVECVE-2026-76441
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-14 17:17:50 UTC
Updated2026-09-14 17:17:50 UTC
DescriptionAs 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-2026-76441 are related to issues with improper access control that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-284 | CWE-284 Improper Access Control


VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSSV3_19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
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

References

ReferenceSourceLinkTags
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

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.

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