CVE-2018-8453

7.8 HIGH CISA KEV - Actively Exploited
Published: October 10, 2018 Modified: October 28, 2025
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://packetstormsecurity.com/files/153669/Microsoft-Windows-NtUserSetWindowFNID-Win32k-User-Callback.html
Source: secure@microsoft.com
Exploit Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/105467
Source: secure@microsoft.com
Broken Link Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041828
Source: secure@microsoft.com
Broken Link Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8453
Source: secure@microsoft.com
Patch Vendor Advisory
https://securelist.com/cve-2018-8453-used-in-targeted-attack
Source: secure@microsoft.com
Exploit Technical Description Third Party Advisory
http://packetstormsecurity.com/files/153669/Microsoft-Windows-NtUserSetWindowFNID-Win32k-User-Callback.html
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/105467
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041828
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8453
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://securelist.com/cve-2018-8453-used-in-targeted-attack
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Technical Description Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8453
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

11 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
78.2%
99th percentile
Exploitation Status
Actively Exploited
Remediation due: 2022-07-21

Affected Vendors

microsoft