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Category:   Application (Generic)  >   Microsoft Hyper-V Vendors:   Microsoft
Microsoft Hyper-V Lets Local Users on a Guest System Cause Denial of Service Conditions on the Host System
SecurityTracker Alert ID:  1041110
SecurityTracker URL:  http://securitytracker.com/id/1041110
CVE Reference:   CVE-2018-8218   (Links to External Site)
Date:  Jun 12 2018
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 10 Version 1709
Description:   A vulnerability was reported in Microsoft Hyper-V. A local user on the guest system can cause denial of service conditions on the host system.

A local privileged user on the guest system can run a specially crafted application to trigger a flaw in the Hyper-V Network Switch and cause the host system to crash.

Impact:   A local user on the guest system can cause the host system to crash.
Solution:   The vendor has issued a fix.

The Microsoft advisories are available at:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8218
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4284819

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8218 (Links to External Site)
Cause:   Not specified
Underlying OS:  Windows (10)

Message History:   None.


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