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Category:   Application (Generic)  >   Microsoft Excel Vendors:   Microsoft
Microsoft Excel Bugs Let Remote Users Obtain Potentially Sensitive Information and Execute Arbitrary Code on the Target User's System
SecurityTracker Alert ID:  1041109
SecurityTracker URL:  http://securitytracker.com/id/1041109
CVE Reference:   CVE-2018-8246, CVE-2018-8248   (Links to External Site)
Date:  Jun 12 2018
Impact:   Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2010 SP2, 2013 SP1, 2013 RT SP1, 2016; Excel Viewer; Office 2013 SP1, 2013 RT SP1, 2016, 2016 Click-to-Run; Office Compatibility Pack SP3
Description:   Two vulnerabilities were reported in Microsoft Excel. A remote user can cause arbitrary code to be executed on the target user's system. A remote user can obtain potentially sensitive information on the target system.

A remote user can create specially crafted content that, when loaded by the target user, will access potentially sensitive information from system memory on the target user's system [CVE-2018-8246]. Office 2013 SP1, 2013 RT SP1, and 2016 (except C2R) are not affected.

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-2018-8248].

Ying Xinlei of IceSword Lab, Qihoo 360, reported these vulnerabilities.

Impact:   A remote user can create content that, when loaded by the target user, will execute arbitrary code or obtain potentially sensitive information from system memory 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-2018-8246
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8248

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8246 (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (Any)

Message History:   None.


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