CVE-2018-8453
Act now ● On CISA KEV — actively exploited used in ransomware
Actively exploited — on the CISA KEV list.
CVSS base
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
70.0%
99.3th percentile
CISA KEV
Listed
Added 2022-01-21 · patch by 2022-07-21
Weakness / dates
—
Published 2018-10-10 · modified 2026-08-13
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.
Affected
References
- exploit http://packetstormsecurity.com/files/153669/Microsoft-Windows-NtUserSetWindowFNID-Win32k-User-Callback.html
- http://www.securityfocus.com/bid/105467
- http://www.securitytracker.com/id/1041828
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8453
- exploit https://securelist.com/cve-2018-8453-used-in-targeted-attack
- exploit http://packetstormsecurity.com/files/153669/Microsoft-Windows-NtUserSetWindowFNID-Win32k-User-Callback.html
- http://www.securityfocus.com/bid/105467
- http://www.securitytracker.com/id/1041828
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8453
- exploit https://securelist.com/cve-2018-8453-used-in-targeted-attack
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8453