Cisco Product Security Update Advisory (CVE-2026-76519)
Overview
Cisco has released a security update to address a vulnerability in its products. This report addresses a pre-authentication arbitrary file write vulnerability (CVE-2026-76519) in the Cisco Secure Email Gateway.
Affected Systems
- Cisco Secure Email Gateway versions prior to 15.5.5-014.
- All versions in the Cisco Secure Email Gateway 16.0 Series.
- Cisco Secure Email Gateway versions prior to 16.5.0-780.
Vulnerability Details
- CVE-2026-76519 is a pre-authentication arbitrary file write vulnerability in the Cisco Secure Email Gateway.
- The report does not specify how this vulnerability could be exploited or its additional impact.
Mitigation Measures
- Cisco has provided a Vulnerability Patch for this vulnerability via the latest update.
- Follow the instructions on the reference site to update Cisco Secure Email Gateway to version 15.5.5-014 Or 16.5.0-780.
