Vulnerability identifier: #VU5245

Vulnerability risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:H/RL:O/RC:C]

CVE-ID: CVE-2016-3351

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Internet Explorer
Client/Desktop applications / Web browsers
Microsoft Edge
Client/Desktop applications / Web browsers

Vendor: Microsoft

Description
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to boundary error when handling of malicious files. A remote attacker can create a specially crafted content, trick the victim into opening it, trigger memory corruption and gain access to arbitrary data.

Successful exploitation of the vulnerability results in information disclosure on the vulnerable system.

Note: the vulnerability was being actively exploited.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Microsoft Internet Explorer: 10 - 11

Microsoft Edge:

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External links
http://technet.microsoft.com/en-us/library/security/ms16-104
http://technet.microsoft.com/en-us/library/security/ms16-105

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Q & A

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?

Yes. This vulnerability is being exploited in the wild.