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Category:   Application (E-mail Server)  >   Microsoft Exchange Vendors:   Microsoft
(Microsoft Issues Fix for Microsoft Exchange Server) Microsoft Windows Defender File Processing Memory Corruption Error Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1040633
SecurityTracker URL:  http://securitytracker.com/id/1040633
CVE Reference:   CVE-2018-0986   (Links to External Site)
Date:  Apr 5 2018
Impact:   Execution of arbitrary code via network, Root access via local system, Root access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2013, 2016
Description:   A vulnerability was reported in Microsoft Windows Defender. A remote user can cause arbitrary code to be executed on the target user's system. Microsoft Exchange Server is affected.

A remote user can create a specially crafted file that, when scanned by the target Microsoft Malware Protection Engine, will trigger a memory corruption error and execute arbitrary code on the target system. The code will run with LocalSystem privileges.

Thomas Dullien of Google Project Zero reported this vulnerability.

Impact:   A remote user can create content that, when scanned by the target application, will execute arbitrary code on the target system.
Solution:   Microsoft has issued a fix for CVE-2018-0986 for Microsoft Exchange Server.

The Microsoft advisory is available at:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0986

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0986 (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (2008), Windows (2012), Windows (2016)

Message History:   This archive entry is a follow-up to the message listed below.
Apr 5 2018 Microsoft Windows Defender File Processing Memory Corruption Error Lets Remote Users Execute Arbitrary Code



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