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CVE-2018-8437
A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a…
Medium6.2EPSS 2.1%
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium6.2 | CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 2.1% · top 19% of all CVEs (4 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.2.
Weakness
- Denial of Service
- CWE-20 (opens in a new tab)All about CWE-20 and its CVEs
Affected products
- affected Version 1803 for x64-based Systems
Microsoft · Windows 10 Servers
- affected version 1803 (Server Core Installation)
References (3)
- 105237 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8437 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1041624 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_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)
- 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://trackcve.app/cve/CVE-2018-8437)Record last updated .