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CVE-2018-8581: Microsoft Exchange Server Privilege Escalation Vulnerability
Microsoft Exchange Server · in CISA KEV since 2022-03-03
2022-03-03added to KEV
2022-03-17federal remediation due date
27.36%EPSS exploit probability (30 days) 98.0th percentile
7.4 HIGHCVSS 3.1
Knownknown ransomware use
1,205days from NVD publication to KEV
What it is
A privilege escalation vulnerability exists in Microsoft Exchange Server. An attacker who successfully exploited this vulnerability could attempt to impersonate any other user of the Exchange server.
Required action (CISA)
Apply updates per vendor instructions.
| CWE | — |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD published | 2018-11-14 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2018-8581.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.