CVE-2018-8453
KEV RANSOMWAREHIGH 7.8EPSS 70.0%
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 v3.1
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS v3.1
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS v2.0
- 7.2 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C - EPSS
- 70.04% chance of exploitation in the next 30 days, 99th percentile
- CISA KEV
- added 2022-01-21, used in ransomware campaigns
- Published
- 2018-10-10
- Updated
- 2026-08-13
Proof-of-concept exploits (4)
- http://packetstormsecurity.com/files/153669/Microsoft-Windows-NtUserSetWindowFNID-Win32k-…
- https://securelist.com/cve-2018-8453-used-in-targeted-attack
- Mkv4/cve-2018-8453-exp2★ · 2019-01-18
- ze0r/cve-2018-8453-exp119★ · 2019-12-13