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Category:   Application (Multimedia)  >   Microsoft DirectX Vendors:   Microsoft
Microsoft DirectX Graphics Kernel Driver Object Memory Handling Error Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1041629
SecurityTracker URL:  http://securitytracker.com/id/1041629
CVE Reference:   CVE-2018-8462   (Links to External Site)
Date:  Sep 11 2018
Impact:   Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2016, 10, 10 Version 1607, 10 Version 1703, 10 Version 1709, 10 Version 1803
Description:   A vulnerability was reported in Microsoft DirectX. A local user can obtain elevated privileges on the target system.

A local user can run a specially crafted application to trigger an object memory handling error in the DXGKRNL driver and execute arbitrary commands on the target system with elevated privileges.

Communications Security Establishment and ChenNan and RanchoIce of Tencent ZhanluLab (via Trend Micro's Zero Day Initiative) reported this vulnerability.

Impact:   A local user can obtain elevated privileges on the target system.
Solution:   The vendor has issued a fix.

The Microsoft advisories are available at:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8462
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4457132
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4457128
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4457131
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4457138
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4457142

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8462 (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (2016), Windows (10)

Message History:   None.


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