CVE-2018-8399 json
An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka "Win32k…
published 2018-08-15 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-20037
- cvss
- 7.0
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
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 10 Servers, Windows 10. This CVE ID is unique from CVE-2018-8404.
Patch / fix
Exploit prediction
1.16% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.0 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.9 | AV:L/AC:M/Au:N/C:C/I:C/A:C |
Affected products
- Microsoft Windows 10 Servers
- Microsoft Windows 10
Classification
- Weakness
-
- CWE-404 Improper Resource Shutdown or Release
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8399
patch, vendor-advisory
-
securitytracker.com
/id/1041466
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/104998
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-8399
- NVD CVE-2018-8399
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.