CVE-2018-8439 - CVE House
Back to Database
Status published High CVE-2018-8439

A remote code execution vulnerability exists when Windows Hyper-V on...

Vulnerability 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 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-0965.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2018-8439

Credits & Attribution

No credits recorded in the NVD database.

References

More from Microsoft

View All →
CVE-2025-9611
Microsoft Playwright MCP Server < 0.0.40 DNS Rebinding via Missing Origin Header Validation
High 7.2
CVE-2025-9491
Microsoft Windows LNK File UI Misrepresentation Remote Code Execution Vulnerability
High 7
CVE-2025-7326
EOL ASP.NET Core Elevation of Privilege Vulnerability
High 7
CVE-2025-65046
Microsoft Edge (Chromium-based) Spoofing Vulnerability
Low 3.1
CVE-2025-65041
Microsoft Partner Center Elevation of Privilege Vulnerability
Critical 10

Affected Vendor

Affected Software

Windows Server 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers
Vulnerable Versions:
(Server Core installation), Windows RT 8.1, x64-based systems, Version 1607 for x64-based Systems, Version 1703 for x64-based Systems, Version 1709 for x64-based Systems, Version 1803 for x64-based Systems, x64-based Systems, version 1709 (Server Core Installation), version 1803 (Server Core Installation)

Timeline

Official Publish: September 13th, 2018
Last Modified: August 5th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.