CVE-2026-76440Suited to automated attack · CISA
Cisco Secure Email Gateway Security Hardening Release
CVSS score
9.8
EPSS probability
%0.6
Risk score
0.1
Published
1 mo ago
Related Security News
Articles and analysis bulletins in which the press and security publications have covered this vulnerability:
Cisco Warns of Active Attacks Exploiting New Critical Secure Email Gateway Vulnerability
Attackers are exploiting a critical flaw in Cisco Secure Email Gateway that lets a sender with no login write files to the appliance's operating system, Cisco said in an advisory on Wednesday. The attacker sends an email with a crafted attachment through the gateway and, if it succeeds, could then run commands as root. The appliance filters an organization's email for spam, malware,
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Affected products, version ranges, exploitation status and patch information in a single request, with a free key.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-76440"