CVE-2023-21709
Medium
Elevated severity or exploit probability.
CVSS base
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
2.0%
79.7th percentile
CISA KEV
Not listed
Weakness / dates
CWE-307
Published 2023-08-08 · modified 2026-08-10
Description
Microsoft Exchange Server Elevation of Privilege Vulnerability