Vulnerability identifier: #VU855

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: CVE-2016-3390

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

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

Vendor: Microsoft

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

The weakness exists due to boundary error in the Scripting Engine when handling malicious files. A remote attacker can create a specially crafted content, trick the victim into downloading it, trigger memory corruption and execute arbitrary code.

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

Mitigation
Install update from vendor's website.

Vulnerable software versions

Microsoft Edge:

Microsoft Internet Explorer: 11

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External links
http://technet.microsoft.com/en-us/library/security/ms16-118
http://technet.microsoft.com/en-us/library/security/ms16-119

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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?

No. We are not aware of malware exploiting this vulnerability.