Is CVE-2018-8581 actively exploited?

CVE-2018-8581 has no public evidence of in-the-wild exploitation as of 2025-10-28.

What is the CVSS score for CVE-2018-8581?

CVE-2018-8581 has a CVSS score of 7.4 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

How do I patch CVE-2018-8581?

Patch guidance is available from microsoft security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-8581.

Fix CVE-2018-8581 - HIGH microsoft exchange server

Q: Which products are affected by CVE-2018-8581?

4 products: microsoft exchange server, microsoft exchange server, microsoft exchange server, microsoft exchange server.

Description

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

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector: network
Complexity: high
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: none
Weaknesses: NVD-CWE-noinfo

Metadata

Primary Vendor: MICROSOFT
Published: 11/14/2018
Last Modified: 10/28/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

microsoft : exchange_servermicrosoft : exchange_servermicrosoft : exchange_servermicrosoft : exchange_server

Remediation Guidance

Executive Summary

View on NIST NVD