Exim CVE-2026-40684 through CVE-2026-40687: mail server patching should not wait for campaign-level exploitation
The Exim 4.98.2 fixes for CVE-2026-40684 through CVE-2026-40687 matter because mail servers remain exposed, trusted, and business-critical. This alert explains why responders should patch and validate routing behavior quickly.
Eng. Hussein Ali Al-AssaadMay 21, 20262 min read