CVE-2021-27078
Medium
Elevated severity or exploit probability.
CVSS base
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
21.6%
97.6th percentile
CISA KEV
Not listed
Weakness / dates
—
Published 2021-03-03 · modified 2026-08-19
Description
Microsoft Exchange Server Remote Code Execution Vulnerability