Vulnerability identifier: #VU6176
Vulnerability risk: High
CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Microsoft Excel
Client/Desktop applications /
Office applications
Microsoft Excel for Mac
Client/Desktop applications /
Office applications
Microsoft Office for Mac
Client/Desktop applications /
Office applications
Microsoft Office
Client/Desktop applications /
Office applications
Vendor: Microsoft
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to boundary error when handling malicious Excel files. A remote attacker can create a specially crafted .xls file, trick the victim into opening it, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability may result in arbitrary code execution on the vulnerable system.
Mitigation
Install upfate from vendor's website.
Vulnerable software versions
Microsoft Excel:
Microsoft Excel for Mac: 2011 - 2016
Microsoft Office for Mac: 2011 - 2016
Microsoft Office: 2010, 2007
External links
http://technet.microsoft.com/en-us/library/security/ms15-131.aspx
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.