CVE-2018-8639

HIGHCISA KEV

7.8

Description

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka "Win32k Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8641.

CVE Details

CVSS v3.1 Score7.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published12/12/2018

Last Modified10/29/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorMicrosoft

ProductWindows

Vulnerability NameMicrosoft Windows Win32k Improper Resource Shutdown or Release Vulnerability

KEV Date Added2025-03-03

Remediation Due Date2025-03-24

Ransomware UseKnown

Affected Products

microsoft:windows_10_1507microsoft:windows_10_1607microsoft:windows_10_1703microsoft:windows_10_1709microsoft:windows_10_1803microsoft:windows_10_1809microsoft:windows_7microsoft:windows_8.1microsoft:windows_rt_8.1microsoft:windows_server_2008microsoft:windows_server_2012microsoft:windows_server_2016microsoft:windows_server_2019

Weaknesses (CWE)

CWE-404CWE-404

References

http://www.securityfocus.com/bid/106093(secure@microsoft.com)

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8639(secure@microsoft.com)

http://www.securityfocus.com/bid/106093(af854a3a-2127-422b-91ae-364da2661108)

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8639(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8639(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.