CVE-2023-21709

9.8 criticalEPSS 2.0%

Critical (9.8) in microsoft exchange server. EPSS 2.0% chance of exploitation in the next 30 days.

Microsoft Exchange Server Elevation of Privilege Vulnerability

Severity

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 2.0% chance of exploitation in the next 30 days; higher than 80% of CVEs (scores of 2026-10-31)
CWE: CWE-307
Published: 2023-08-08
Modified: 2026-08-10
Record from: the NVD, synced 2026-10-19