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Category:   OS (Microsoft)  >   Windows DLL (Any) Vendors:   Microsoft
Microsoft Windows Secure Boot Flaw Lets Physically Local Users Bypass Security Restrictions
SecurityTracker Alert ID:  1037255
SecurityTracker URL:  http://securitytracker.com/id/1037255
CVE Reference:   CVE-2016-7247   (Links to External Site)
Date:  Nov 9 2016
Impact:   Execution of arbitrary code via local system, Modification of system information, Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 8.1, RT 8.1, 2012, 2012 R2, 10, 10 Version 1511, 10 Version 1607, 2016
Description:   A vulnerability was reported in Microsoft Windows Secure Boot. A physically local user can bypass security restrictions.

A physically local user can load an affected boot policy to disable code integrity checks. This can be exploited to load test-signed executables and drivers on the target device.

Impact:   A physically local user can bypass secure boot policy on the target system.
Solution:   The vendor has issued a fix.

The Microsoft advisory is available at:

https://technet.microsoft.com/library/security/ms16-140

Vendor URL:  technet.microsoft.com/library/security/ms16-140 (Links to External Site)
Cause:   Access control error

Message History:   None.


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