CVE-2018-8453

high

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.

References

https://www.tenable.com/cyber-exposure/a-look-inside-the-ransomware-ecosystem

https://securelist.com/sodin-ransomware/91473/

https://www.tenable.com/blog/cve-2019-11510-critical-pulse-connect-secure-vulnerability-used-in-sodinokibi-ransomware

https://www.tenable.com/blog/microsoft-s-october-2018-security-update-theres-more-to-the-story

https://securelist.com/cve-2018-8453-used-in-targeted-attack

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8453

http://www.securitytracker.com/id/1041828

http://www.securityfocus.com/bid/105467

http://packetstormsecurity.com/files/153669/Microsoft-Windows-NtUserSetWindowFNID-Win32k-User-Callback.html

Details

Source: Mitre, NVD

Published: 2018-10-10

Updated: 2025-04-07

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.84016