SEP (Mac client) prior to and including 12.1 RU6 MP9 and prior to 14.2 RU1 may be susceptible to a CSV/DDE injection (also known as formula injection) vulnerability, which is a type of issue whereby an application or website allows untrusted input into CSV files.
Severity
CVSS 3.0
6.3 medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
EPSS
1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-31)