High severity7.8CISA KEVNVD Advisory· Published Oct 10, 2018· Updated Jun 17, 2026
CVE-2018-8453
CVE-2018-8453
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
12- Range: 32-bit Systems
- Range: version 1709 (Server Core Installation)
- Range: 32-bit systems
- Range: Windows RT 8.1
32-bit Systems Service Pack 2+ 1 more
- (no CPE)range: 32-bit Systems Service Pack 2
- (no CPE)range: Itanium-Based Systems Service Pack 1
(Server Core installation)+ 1 more
- (no CPE)range: (Server Core installation)
- (no CPE)range: (Server Core installation)
- Range: (Server Core installation)
- Range: (Server Core installation)
Patches
Vulnerability mechanics
References
6- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8453nvdPatchVendor Advisory
- packetstormsecurity.com/files/153669/Microsoft-Windows-NtUserSetWindowFNID-Win32k-User-Callback.htmlnvdExploitThird Party AdvisoryVDB Entry
- securelist.com/cve-2018-8453-used-in-targeted-attacknvdExploitTechnical DescriptionThird Party Advisory
- www.securityfocus.com/bid/105467nvdBroken LinkThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1041828nvdBroken LinkThird Party AdvisoryVDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
News mentions
1- Inside the customer environment: Where threat actors, vulnerabilities, and exposed assets intersectTenable Blog · May 27, 2026