Track vulnerabilities like this one. Sign up free to get alerted when software you use is affected.
7.8

Microsoft Office apps can run code from malicious fonts

CVE-2016-3303 · published 10 years ago
Summary

Several Microsoft products—including Windows Vista and 7, Windows Server 2008, Office 2007/2010, Word Viewer, Skype for Business, Lync, and Live Meeting—may execute arbitrary code if they load a specially crafted font file. This could let an attacker take control of the affected computer. Install the latest security updates from Microsoft to protect against this risk.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
microsoft live_meeting 2007
cpe:2.3:a:microsoft:live_meeting:2007:*:*:*:*:*:*:*
microsoft lync 2010
2013
cpe:2.3:a:microsoft:lync:2010:*:*:*:*:*:*:*
microsoft office 2007
2010
cpe:2.3:a:microsoft:office:2007:sp3:*:*:*:*:*:*
microsoft skype_for_business 2016
cpe:2.3:a:microsoft:skype_for_business:2016:*:*:*:*:*:*:*
microsoft word_viewer All versions
cpe:2.3:a:microsoft:word_viewer:*:*:*:*:*:*:*:*
microsoft windows_7 All versions
cpe:2.3:o:microsoft:windows_7:*:sp1:*:*:*:*:*:*
microsoft windows_server_2008 r2
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:*
microsoft windows_vista All versions
cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*
Original advisory text
The Windows font library in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Office 2007 SP3, Office 2010 SP2, Word Viewer, Skype for Business 2016, Lync 2013 SP1, Ly...
The Windows font library in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Office 2007 SP3, Office 2010 SP2, Word Viewer, Skype for Business 2016, Lync 2013 SP1, Lync 2010, Lync 2010 Attendee, and Live Meeting 2007 Console allows remote attackers to execute arbitrary code via a crafted embedded font, aka "Windows Graphics Component RCE Vulnerability," a different vulnerability than CVE-2016-3304.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
7.8 High
Exploitation
51% chance of attack within 30 days
Type
CWE-20Improper Input Validation
Timeline
Published9 Aug 2016
Updated29 Sep 2026
First seen29 Sep 2026
Sources
CVE-2016-3303 · NVD
Track software like this
Free during beta