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.
Published 2018-11-14 01:29:02
Updated 2019-10-03 00:03:26
View at NVD,   CVE.org
Vulnerability category: Gain privilege

CVE-2018-8589 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Microsoft Win32k Privilege Escalation Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
A privilege escalation vulnerability exists when Windows improperly handles calls to Win32k.sys. An attacker who successfully exploited this vulnerability could run remote code in the security context of the local system.
Added on 2022-05-23 Action due date 2022-06-13

Exploit prediction scoring system (EPSS) score for CVE-2018-8589

0.10%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-8589

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.2
HIGH AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0
NIST
7.8
HIGH CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1.8
5.9
NIST

References for CVE-2018-8589

Products affected by CVE-2018-8589

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