CVE-2026-76441
Received Received - Intake

Improper Access Control in Cisco Secure Email Gateway

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Cisco Systems, Inc.

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-2026-76441 are related to issues with improper access control that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284.

CVSS Scores

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Meta Information

Published
2026-09-14
Last Modified
2026-09-14
Generated
2026-09-14
AI Q&A
2026-09-14
EPSS Evaluated
N/A
NVD
CVE-2026-76441
EUVD
EUVD-2026-77620

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
cisco secure_email_gateway *
cisco secure_email_and_web_manager *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-284 The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

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Executive Summary

CVE-2026-76441 is a vulnerability in Cisco Secure Email Gateway and Cisco Secure Email and Web Manager due to improper access control, classified under CWE-284. This means unauthorized users may gain elevated access or perform actions beyond their intended permissions.

Impact Analysis

This vulnerability could allow attackers to read sensitive data, modify system configurations, or disrupt services by exploiting improper access controls. The high CVSS score (9.8) indicates severe potential impact on confidentiality, integrity, and availability.

Compliance Impact

The vulnerability involves improper access control (CWE-284), which could allow unauthorized access to sensitive data. This may impact compliance with GDPR (data protection) and HIPAA (healthcare data) by increasing risks of unauthorized data exposure or breaches.

Mitigation Strategies

Apply the latest security updates or patches provided by Cisco for the Secure Email Gateway and Secure Email and Web Manager products. Monitor Cisco's security advisories for further guidance.

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