Windows Graphics Component RCE Vulnerability

Published: 2016-08-09
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-3303
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Microsoft Office
Client/Desktop applications / Office applications

Microsoft Word
Client/Desktop applications / Office applications

Skype for Business
Client/Desktop applications / Messaging software

Microsoft Lync
Client/Desktop applications / Messaging software

Microsoft Live Meeting
Client/Desktop applications / Messaging software

Vendor Microsoft

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Remote code execution in Windows Graphics Component


Risk: High

CVSSv3.1: 8.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2016-3303

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: Yes


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

The vulnerability exists in Windows font library when handling specially crafted embedded fonts. A remote attacker can create a specially crafted font and execute arbitrary code on the target system with privileges of the current user. The attacker can use a variety of software to deliver malicious font to the target system, including web browsers, emails, office documents.

Successful exploitation of this vulnerability my allow an attacker to run arbitrary code on vulnerable system.


Install updates from Microsoft website.

Vulnerable software versions

Windows: 7 - Vista

Windows Server: 2008 - 2008 R2

Microsoft Office: 2007 - 2010

Microsoft Word: Viewer

Skype for Business: 2016

Microsoft Lync: 2010 - 2013

Microsoft Live Meeting: 2007 Console

CPE2.3 External links

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. However, proof of concept for this vulnerability is available.