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CVE-2018-8638
An information disclosure vulnerability exists when DirectX improperly handles objects in memory, aka "DirectX Information Disclosure…
- 5.5MediumCVSS base score
- 1.8%Exploitation in 30 daysEPSS · top 21% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
An information disclosure vulnerability exists when DirectX improperly handles objects in memory, aka "DirectX Information Disclosure Vulnerability." This affects Windows 10, Windows Server 2019.
Timeline
ID reserved
By microsoft
- 9 months later
· 9 months later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.8% · top 21% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected Version 1809 for 32-bit Systems
- affected Version 1809 for ARM64-based Systems
- affected Version 1809 for x64-based Systems
Microsoft · Windows Server 2019
- affected (Server Core installation)
References
2
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8638 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 106089 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-20249 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-8638)Record last updated .