Microsoft Word File Processing Flaw Lets Remote Users Execute Arbitrary Code

Microsoft Word Version(s): 2007 SP3, 2010 SP2, 2013 SP1, 2013 RT SP1, 2016; Office Word Viewer

Description:   A vulnerability was reported in Microsoft Word. A remote user can cause arbitrary code to be executed on the target user’s system.

A remote user can create a specially crafted file that, when loaded by the target user via Microsoft Office, will trigger an object memory handling error and execute arbitrary code on the target system. The code will run with the privileges of the target user.

Yang Kang, Ding Maoyin, and Song Shenlei of Qihoo 360 Core Security (@360CoreSec) reported this vulnerability.

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-2017-11826

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11826

CVE Reference:   CVE-2017-11826