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CVE-2018-8453

CVE-2018-8453

CVSS 7.8 HIGHEPSS 70.0%● KEV
In short

A flaw in Windows' graphics system (Win32k) allows a logged-in user to gain administrator privileges by exploiting how the system handles objects in memory. An attacker with basic user access can take full control of the computer.

Technical detail

Win32k elevation of privilege vulnerability arising from improper memory object handling. Local attack vector requiring user-mode execution context; successful exploitation grants SYSTEM-level privileges. Affects Windows 7 through Windows Server 2019.

Summary generated and translated by AI from the official 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.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
Microsoft · Windows 10Microsoft · Windows 10 ServersMicrosoft · Windows 7Microsoft · Windows 8.1Microsoft · Windows RT 8.1Microsoft · Windows Server 2008Microsoft · Windows Server 2008 R2Microsoft · Windows Server 2012Microsoft · Windows Server 2012 R2Microsoft · Windows Server 2016Microsoft · Windows Server 2019
public PoCs found — 5
githubgithub.com/ze0r/cve-2018-8453-exp★ 120githubgithub.com/thepwnrip/leHACK-Analysis-of-CVE-2018-8453★ 14githubgithub.com/Mkv4/cve-2018-8453-exp★ 2cve_referencepacketstormsecurity.com/files/153669/Microsoft-Windows-NtUserSetWindowFNID-Win32k-User-Callback.htmlunverifiedexploitdbwww.exploit-db.com/exploits/47134unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
http://packetstormsecurity.com/files/153669/Microsoft-Windows-NtUserSetWindowFNID-Win32k-User-Callback.htmlhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8453https://securelist.com/cve-2018-8453-used-in-targeted-attackhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8453http://www.securityfocus.com/bid/105467http://www.securitytracker.com/id/1041828