CVE-2018-8439
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 8.4 HIGHCVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 4.31% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- microsoft/windows 10 · microsoft/windows 8.1 · microsoft/windows rt 8.1 · microsoft/windows server 2012 · microsoft/windows server 2016
- Source
- secure@microsoft.com
References
- http://www.securityfocus.com/bid/105233Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041624Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8439Patch, Vendor Advisory
- http://www.securityfocus.com/bid/105233Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041624Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8439Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.