CRITICAL CISA KEV

CVE-2026-76461

CVSS v3

9.8

CRITICAL

EPSS Score

28.3 %

exploit probability, as of 2026-10-04

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

Description

A vulnerability in the email parsing of Cisco AsyncOS Software for Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to execute arbitrary commands with root privileges on the underlying operating system. This vulnerability is due to insufficient validation in the email parsing logic. An attacker could exploit this vulnerability by sending a crafted email message that contains malicious SQL statements through an affected device. A successful exploit could allow the att

CISA Known Exploited Vulnerability

Date Added: 2026-09-14
Patch Due Date: 2026-09-17
Ransomware Use: Unknown

Technical details

Published: 2026-09-14
Last Modified: 2026-09-15

Frequently asked questions

What is CVE-2026-76461?

Is CVE-2026-76461 actively exploited?

Yes. CVE-2026-76461 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-09-17.

What is the CVSS score for CVE-2026-76461?

CVE-2026-76461 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2026-76461 affecting your environment?

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