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Category:   OS (Microsoft)  >   Windows Server Message Block Vendors:   Microsoft
Windows Server Message Block Credential Forwarding Flaw Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1036110
SecurityTracker URL:
CVE Reference:   CVE-2016-3225   (Links to External Site)
Date:  Jun 14 2016
Impact:   User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): Vista SP2, 2008 SP2, 7 SP1, 2008 R2 SP1, 8.1, 2012, 2012 R2, RT 8.1, 10, 10 Version 1511; and prior service packs
Description:   A vulnerability was reported in Windows Server Message Block (SMB). A local user can obtain elevated privileges on the target system.

The system does not properly handle credential forwarding requests. A local user can run a specially crafted application that forwards an authentication request intended for another service on the system system to gain elevated privileges on the target system.

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

A patch matrix is available in the vendor advisory.

The Microsoft advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Access control error

Message History:   None.

 Source Message Contents

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