CVE-2018-8437
A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-8437- CVSS 3.0
- 6.2 Medium
CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H - CVSS 2.0
- 5.5 Medium
AV:A/AC:L/Au:S/C:N/I:N/A:C - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-8437- Updated
- 2026-11-02
EUVDEUVD-2018-20073 No score
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.
- Record
EUVD-2018-20073- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vfrj-3vj7-gff9
A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server...
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.
- Record
GHSA-vfrj-3vj7-gff9- CVSS 3.0
- 6.2 Medium
CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-8437 is a medium vulnerability (CVSS 6.2) in Microsoft Windows 10, published September 13, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.05%, the 81st percentile. No source names a fixed version.