CVE-2018-8490

Severity: high (CVSS 8.4 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-10-10 · updated 2026-06-17
Weakness: CWE-20

Description

A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system, aka "Windows Hyper-V Remote Code Execution Vulnerability." This affects Windows Server 2016, Windows 10, Windows Server 2019, Windows 10 Servers. This CVE ID is unique from CVE-2018-8489.

Affected products

Microsoft Windows 10 Version 1607: 1607, 1703, 1709, 1803, 1809
Microsoft Windows Server 2016: 1709, 1803
Microsoft Windows Server 2019: all versions

References

http://www.securityfocus.com/bid/105480
http://www.securitytracker.com/id/1041834
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8490
http://www.securityfocus.com/bid/105480
http://www.securitytracker.com/id/1041834
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8490

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