Vulnerability identifier: #VU5661

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-2015-2435

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system
Microsoft Office
Client/Desktop applications / Office applications
Microsoft Live Meeting
Client/Desktop applications / Messaging software
Microsoft Lync
Client/Desktop applications / Messaging software
Microsoft Silverlight
Client/Desktop applications / Plugins for browsers, ActiveX components

Vendor: Microsoft

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

The vulnerability exists due to improper handling of TrueType fonts by Windows Adobe Type Manager Library. A remote attacker can create a specially crafted document containing embedded TrueType font, trick the victim into opening it and execute arbitrary code with privileges of the current user.

Successful exploitation of this vulnerability results in arbitrary code execution on the vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Windows: Vista, 7, 10, 8.1 - 8.1 RT, 8

Windows Server: 2008 - 2012 R2

Microsoft Office: 2010, 2007

Microsoft Live Meeting: 2007 Console

Microsoft Lync:

Microsoft Silverlight: 5

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External links
http://technet.microsoft.com/en-us/library/security/ms15-080.aspx

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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.