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Category:   OS (Microsoft)  >   Windows DLL (Any) Vendors:   Microsoft
Microsoft Cortana Lets Physically Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1041477
SecurityTracker URL:  http://securitytracker.com/id/1041477
CVE Reference:   CVE-2018-8253   (Links to External Site)
Date:  Aug 15 2018
Impact:   Disclosure of user information, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2016, 10 Version 1607
Description:   A vulnerability was reported in Microsoft Cortana. A physically local user can obtain elevated privileges on the target system.

On systems with Microsoft Cortana assistance enabled, a physically local user can browse arbitrary websites via the lockscreen.

Cedric Cochin of McAfee's Advanced Threat Research (ATR) Team reported this vulnerability.

Impact:   A physically local user can browse arbitrary websites via the lockscreen.
Solution:   The vendor has issued a fix.

The Microsoft advisories are available at:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8253
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4343887

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8253 (Links to External Site)
Cause:   Access control error

Message History:   None.


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