CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2018-8639
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. This CVE ID is unique from CVE-2018-8641.
Severity
- EPSS
- 22% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)
- CISA KEV
- listed 2025-03-03, due 2025-03-24, known ransomware use
- CWE
- CWE-404
- Published
- Modified
- Record from
- the NVD, synced
Affected
- microsoft:windows_10_1507
- microsoft:windows_10_1607
- microsoft:windows_10_1703
- microsoft:windows_10_1709
- microsoft:windows_10_1803
- microsoft:windows_10_1809
- microsoft:windows_7
- microsoft:windows_8.1
- microsoft:windows_rt_8.1
- microsoft:windows_server_2008
- microsoft:windows_server_2012
- microsoft:windows_server_2016
- microsoft:windows_server_2019
References
- http://www.securityfocus.com/bid/106093
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8639
- http://www.securityfocus.com/bid/106093
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8639
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8639