Critical (9.8). EPSS 8.6% chance of exploitation in the next 30 days.
Exim 4.85 through 4.92 (fixed in 4.92.1) allows remote code execution as root in some unusual configurations that use the ${sort } expansion for items that can be controlled by an attacker (e.g., $local_part or $domain).
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
8.6% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)