CVE-2018-8437 json
A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a pri…
published 2018-09-13 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-20073
- cvss
- 6.2
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
Summary
A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows Hyper-V Denial of Service Vulnerability." This affects Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8436, CVE-2018-8438.
Patch / fix
Exploit prediction
2.05% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.2 | CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |
| NVD | 2.0 | 5.5 | AV:A/AC:L/Au:S/C:N/I:N/A:C |
Affected products
- Microsoft Windows 10
- Microsoft Windows 10 Servers
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8437
patch, vendor-advisory
-
securityfocus.com
/bid/105237
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1041624
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-8437
- NVD CVE-2018-8437
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.