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Category:   Application (Web Browser)  >   Microsoft Internet Explorer Vendors:   Microsoft
Microsoft Internet Explorer Object Memory Handling Bugs Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1040369
SecurityTracker URL:  http://securitytracker.com/id/1040369
CVE Reference:   CVE-2018-0840, CVE-2018-0866   (Links to External Site)
Date:  Feb 13 2018
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9, 10, 11
Description:   Two vulnerabilities were reported in Microsoft Internet Explorer. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create specially crafted content that, when loaded by the target user, will trigger an object memory handling error and execute arbitrary code on the target user's system [CVE-2018-0840, CVE-2018-0866].

These vulnerabilities can also be exploited via an ActiveX control marked "safe for initialization" embedded within an application or Microsoft Office document that hosts the rendering engine.

Lokihardt of Google Project Zero and Ivan Fratric of Google Project Zero reported these vulnerabilities.

Impact:   A remote user can create content that, when loaded by the target user, will execute arbitrary code on the target user's 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-2018-0840
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0866

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0840 (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (Any)

Message History:   None.


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