Advisory Details

August 14th, 2018

Microsoft Office Word Preview Unsafe Hyperlink Remote Code Execution Vulnerability

CVE ID	CVE-2018-8316
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Office Word
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Office Word. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the display of Word documents in the preview pane in Windows Explorer. Crafted data in a Word file can result in a dangerous link being followed without first warning the user. An attacker can leverage this vulnerability to execute under the context of the current user at medium integrity.
ADDITIONAL DETAILS	Microsoft has issued an update to correct this vulnerability. More details can be found at: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8316
DISCLOSURE TIMELINE	2018-05-24 - Vulnerability reported to vendor 2018-08-14 - Coordinated public release of advisory 2018-08-14 - Advisory Updated
CREDIT	Eduardo Braun Prado

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