This security advisory describes one high risk vulnerability.
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when processing Microsoft Office files. A remote unauthenticated attacker can create a specially crafted document, trick the victim into opening it and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system, but requires that a user open a specially crafted file with an affected version of Microsoft Office or Microsoft WordPad software.Mitigation
Install updates from vendor's website.
Additionally Microsoft has released a defense-in-depth update ADV170020.
Microsoft Office: 2007, 2010 Service Pack 2, 2013, 2016CPE
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website or open an attachment in an e-mail message.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.