Vulnerability Intelligence Report
Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2024-21410
Microsoft Exchange Server Elevation of Privilege Vulnerability
CISA KEV
SSVC: Active Exploitation
Automatable
Authentication Bypass
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:12.66%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-287 ↗CWE-287: Improper Authentication
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 23 | 15.01.0 < 15.01.2507.037 (affected) |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 13 | 15.02.0 < 15.2.1544.004 (affected) |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 14 | 15.02.0 < 15.2.1544.004 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
CISA KEV
ACTIVE IN CATALOG
EPSS Score
12.661%
GitHub Advisory
Vulnerability Class
Authentication Bypass
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2023-12-08T22:45:21 |
| Published | 2024-02-13T18:02:48 |
| Patch Date | 2024-02-13 |
| Last Updated | 2026-08-10T17:52:39 |
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