Vulnerability Intelligence Report
Microsoft Exchange Server Privilege Escalation Vulnerability
CVE-2018-8581
An elevation of privilege vulnerability exists in Microsoft Exchange Server, aka "Microsoft Exchange Server Elevation of Privilege Vulnerability." This affects Microsoft Exchange Server.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
7.4
HIGH
Exploitability:2.3
Impact Score:5.2
EPSS Probability:27.56%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Microsoft Exchange Server | 2010 (affected), 2013 (affected), 2016 (affected), 2019 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2018-03-14T00:00:00 |
| Published | 2018-11-14T01:00:00 |
| Patch Date | 2018-11-13 |
| Last Updated | 2025-10-21T23:45:47 |
Community Chatter & Buzz