Is CVE-2018-8589 actively exploited?

CVE-2018-8589 has no public evidence of in-the-wild exploitation as of 2025-10-28.

What is the CVSS score for CVE-2018-8589?

CVE-2018-8589 has a CVSS score of 7.8 (HIGH severity). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2018-8589?

Patch guidance is available from microsoft security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-8589.

Fix CVE-2018-8589 - HIGH microsoft windows 7

Q: Which products are affected by CVE-2018-8589?

4 products: microsoft windows 7, microsoft windows server 2008, microsoft windows server 2008, microsoft windows server 2008.

Description

An elevation of privilege vulnerability exists when Windows improperly handles calls to Win32k.sys, aka "Windows Win32k Elevation of Privilege Vulnerability." This affects Windows Server 2008, Windows 7, Windows Server 2008 R2.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector: local
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
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 : windows_7microsoft : windows_server_2008microsoft : windows_server_2008microsoft : windows_server_2008

Remediation Guidance

Executive Summary

View on NIST NVD