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CVE-2026-76443 is a critical vulnerability in Cisco Secure Email involving improper neutralization issues. It affects multiple specific versions of Cisco Secure Email as listed. The vulnerability has a CVSS score of 9.8, indicating high severity with potential for full confidentiality, integrity, and availability impact. Cisco has conducted an internal security review and released software hardening updates addressing these vulnerabilities.

CVE-2026-76443 concerns improper neutralization vulnerabilities in Cisco Secure Email products, identified during an internal security review by Cisco. These issues fall under the CWE-707 category and affect numerous specific versions of Cisco Secure Email. The vulnerability has a CVSS 3.1 base score of 9.8, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. Cisco has released software hardening updates to remediate these issues.

Detailed information about CVE-2026-76443: Improper Neutralization in Cisco Cisco Secure Email affecting Cisco Cisco Secure Email. Get real-time updates, techni

CVE-2026-76443: Improper Neutralization in Cisco Cisco Secure Email - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-76443: Improper Neutralization in Cisco Cisco Secure Email

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