Cisco Secure Email Gateway Security Hardening Release
This is a record in the CVE List, the public register of security flaws. The title and any summary are in the source's own words.
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20353 are related to
- Kind
- Check with your IT provider
- Started
- Why we can name the supplier
- An official register says it: a CVE record, CISA's list of exploited flaws or the NCSC
Products it names
- Cisco Secure Email (Cisco)
The latest
We aim to update this thread. For the latest, check the supplier's own page directly: www.cve.org/CVERecord?id=CVE-2026-20353.
This entry comes from our research build of public sources made on 24 Oct 2026.