# CVE-2026-76461

## Summary

- **CVE ID:** CVE-2026-76461
- **Severity:** CRITICAL
- **CVSS Score:** 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-89
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 18, 2026

## 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 attacker to execute arbitrary SQL statements, leading to command execution with root privileges on the underlying operating system.

## Affected Products

- Cisco — Cisco Secure Email (14.0.0-698)
- Cisco — Cisco Secure Email (13.5.1-277)
- Cisco — Cisco Secure Email (13.0.0-392)
- Cisco — Cisco Secure Email (14.2.0-620)
- Cisco — Cisco Secure Email (13.0.5-007)
- Cisco — Cisco Secure Email (13.5.4-038)
- Cisco — Cisco Secure Email (14.2.1-020)
- Cisco — Cisco Secure Email (14.3.0-032)
- Cisco — Cisco Secure Email (15.0.0-104)
- Cisco — Cisco Secure Email (15.0.1-030)
- Cisco — Cisco Secure Email (15.5.0-048)
- Cisco — Cisco Secure Email (15.5.1-055)
- Cisco — Cisco Secure Email (15.5.2-018)
- Cisco — Cisco Secure Email (16.0.0-050)
- Cisco — Cisco Secure Email (15.0.3-002)
- Cisco — Cisco Secure Email (16.0.0-054)
- Cisco — Cisco Secure Email (15.5.3-022)
- Cisco — Cisco Secure Email (16.0.1-017)
- Cisco — Cisco Secure Email (15.5.4-012)
- Cisco — Cisco Secure Email (16.0.4-016)
- Cisco — Cisco Secure Email (15.0.5-016)
- Cisco — Cisco Secure Email (16.0.2-112)
- Cisco — Cisco Secure Email (16.0.3-044)

## References

- [CNA](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-inj-2bLVGmhX)
- [CISA-ADP](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-76461)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 2.01%
- **EPSS Percentile:** 79.9

## Known Exploited Vulnerabilities (KEV)

- **Date Added:** Sep 14, 2026
- **Due Date:** Sep 17, 2026

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._