CVE-2018-8621 json
An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory, aka "Windows Kernel Informatio…
published 2018-12-12 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-20234
- cvss
- 5.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 79%
- public exploits
- 0
- none known
Summary
An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory, aka "Windows Kernel Information Disclosure Vulnerability." This affects Windows Server 2012, Windows 7, Windows Server 2008 R2. This CVE ID is unique from CVE-2018-8477, CVE-2018-8622.
Patch / fix
Exploit prediction
1.84% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Microsoft Windows Server 2012
- Microsoft Windows 7
- Microsoft Windows Server 2008 R2
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8621
patch, vendor-advisory
-
securityfocus.com
/bid/106085
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-8621
- NVD CVE-2018-8621
Fencer Vulns 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.