CVE-2024-21410 | BDVDB-2026-224488 Detail

MicrosoftMicrosoft Exchange Server 2016 Cumulative Update 23

Description#

Microsoft Exchange Server Elevation of Privilege Vulnerability

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

No public exploit known

9.8 Critical

12.6%, Moderate

Estimated chance of exploitation in the next 30 days. EPSS percentile: 96.3.

Yes

Listed in the CISA Known Exploited Vulnerabilities catalog.

Authentication Issues

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Not available

9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).