CVEvulnerability

CVE-2018-8581

7.4 HIGH Known exploited Published 2018-11-14 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Microsoft Exchange Server Privilege Escalation Vulnerability — Microsoft Exchange Server

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.

Added to KEV
2022-03-03
Remediation due
2022-03-17
Ransomware use
Known
Required action
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2018-8581
Status
Analyzed
Published
2018-11-14
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.4 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
7.4 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS 2.0 ([email protected])
5.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:N

Description

An elevation of privilege vulnerability exists in Microsoft Exchange Server, aka "Microsoft Exchange Server Elevation of Privilege Vulnerability." This affects Microsoft Exchange Server.

Affected configurations

• microsoft exchange server 2010 • microsoft exchange server 2013 • microsoft exchange server 2016 • microsoft exchange server 2019

References