OCTOBER 16, 2026
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Case File

CVE-2026-76519

CRITICAL · CVSS 9.8 EPSS 1.74% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-10-14 · Last synced 2026-10-16

CyberRota Analysis

AI-Generated

A critical vulnerability in Cisco's Secure Email Gateway allows unauthenticated remote attackers to write arbitrary files on the underlying operating system due to improper handling of email attachments when the file reputation service is enabled. Exploitation of this flaw could enable attackers to execute commands with root privileges, posing a severe risk to system integrity and security. Organizations using Cisco Secure Email Gateway should prioritize immediate remediation to mitigate potential exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-76519
Severity
CRITICAL
CVSS
9.8
EPSS
1.74%
Cisco

Original NVD Description

A vulnerability in the Advanced Malware Protection (AMP) feature of Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to write arbitrary files on the underlying operating system. This vulnerability is due to improper handling of email attachments when the file reputation service is enabled. An attacker could exploit this vulnerability by sending an email that contains a crafted attachment through an affected device. A successful exploit could allow the attacker to write arbitrary files and execute commands with root privileges on the underlying operating system.

Related CVEs

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