Cisco Secure Email Gateway Arbitrary File Write Vulnerability
This is a record in the CVE List, the public register of security flaws. CISA added it to its list of flaws known to be used by attackers on 14 Oct 2026. The title and any summary are in the source's own words.
A vulnerability in the Advanced Malware Protection (AMP) feature of Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to write arbitrary files on the underlying operating system. This vulnerability is due to improper handling of email attachments when the file reputation service is enabled. An attacker could exploit this vulnerability by sending an email that contains a
- Kind
- Act now
- 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-2026-76519.
This entry comes from our research build of public sources made on 24 Oct 2026.