|Number of vulnerabilities||1|
|Public exploit||This vulnerability is being exploited in the wild.|
Client/Desktop applications / Office applications
This security bulletin contains one high risk vulnerability.
CWE-200 - Information Exposure
Exploit availability: NoDescription
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.
The weakness exists due to an error in handling of a specially crafted response when opening a malicious Office file. A remote attacker can create a specially crafted file using, host it on remote website, trick the victim into opening it and gain access to tokens used to authenticate the current user on a targeted SharePoint or other Microsoft Office server site.
Successful exploitation of the vulnerability results in information disclosure on the vulnerable system.
Note: the vulnerability was being actively exploited.
Install update from vendor's website:
Microsoft Office 2013 (32-bit editions):
Microsoft Office 2013 (64-bit editions):
Microsoft Office: 2013
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?