DNA View

⚠️ CISA Known Exploited Vulnerability

Active Threat

This vulnerability is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog. Active exploitation has been observed in the wild. This poses significant risk to federal enterprises and should be prioritized for immediate patching.

CVE-2018-8589

High CISA KEV
Low Medium High Critical
7.8
CVSS Score
Published: Nov 14, 2018
Last Modified: Oct 28, 2025

Vulnerability 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

Common Vulnerability Scoring System

Vector String:

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
L
Attack Complexity
L
Privileges Required
L
User Interaction
N
Scope
U
Confidentiality
H
Integrity
H
Availability
H

Known Affected Software

3 configuration(s) from 1 vendor(s)

windows_server_2008
Version:
-
CPE:
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
windows_server_2008
Version:
r2
CPE:
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x86:*
windows_7
Version:
-
CPE:
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x64:*
This vulnerability affects 3 software configuration(s). Ensure you patch all affected systems.

Severity Details

7.8
out of 10.0
High

CISA KEV Status

Active Exploitation

Listed in CISA's Known Exploited Vulnerabilities catalog

Key Information

Published Date
November 14, 2018