Microsoft Hyper-V Access Control Bug Lets Local Users on a Guest System Gain Elevated Privileges on the Guest System
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SecurityTracker Alert ID: 1041096 |
SecurityTracker URL: http://securitytracker.com/id/1041096
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CVE Reference:
CVE-2018-8219
(Links to External Site)
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Date: Jun 12 2018
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Impact:
User access via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 2016, 10 Version 1607, 10 Version 1703, 10 Version 1709, 10 Version 1803
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Description:
A vulnerability was reported in Microsoft Hyper-V. A local user on the guest system can gain elevated privileges on the guest system.
A local user on the guest system can exploit a privilege level access control flaw in Windows Hyper-V instruction emulation to gain elevated privileges on the guest system.
The host system is not affected.
Microsoft Hyper-V Development Team reported this vulnerability.
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Impact:
A local user on the guest system can gain elevated privileges on the guest system.
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Solution:
The vendor has issued a fix.
The Microsoft advisories are available at:
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8219
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4284819
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4284835
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4284874
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4284880
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Vendor URL: portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8219 (Links to External Site)
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Cause:
Access control error
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Underlying OS: Windows (2016), Windows (10)
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Message History:
None.
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Source Message Contents
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[Original Message Not Available for Viewing]
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