#VU964 Memory corruption in Microsoft products - CVE-2016-7193

Vulnerability identifier: #VU964

Vulnerability risk: Critical

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red

CVE-ID: CVE-2016-7193

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: The vulnerability is being exploited in the wild

Vulnerable software:
Microsoft Office
Microsoft Office Compatibility Pack
Microsoft Office for macOS
Microsoft Word
Word Viewer
Office Online Server
Word Automation Services on Microsoft SharePoint Server

Software vendor:
Microsoft

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to boundary error when handling of malicious RTF files by Microsoft Word. A remote attacker can create a specially crafted RTF document, trick the victim into opening it, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability will result in arbitrary code execution.

Note: the vulnerability was being actively exploited.

Install update from vendor's website.

• https://technet.microsoft.com/en-us/library/security/MS16-121