Critical (9.8) in trendmicro email encryption gateway. EPSS 10% chance of exploitation in the next 30 days.
A missing authentication for appliance registration vulnerability in Trend Micro Email Encryption Gateway 5.5 could allow an attacker to manipulate the registration process of the product to reset configuration parameters.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
10% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)