Microsoft .NET Framework 3.0 SP2, 3.5, 3.5.1, 4, and 4.5; Silverlight 5 before 5.1.20513.0; win32k.sys in the kernel-mode drivers, and GDI+, DirectWrite, and Journal, in Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT; GDI+ in Office 2003 SP3, 2007 SP3, and 2010 SP1; GDI+ in Visual Studio .NET 2003 SP1; and GDI+ in Lync 2010, 2010 Attendee, 2013, and Basic 2013 allow remote attackers to execute arbitrary code via a crafted TrueType Font (TTF) file, aka "TrueType Font Parsing Vulnerability."
Conclusion & alert: CVE-2013-3129 is rated High Risk (67.7/100): CVSS High severity, with high exploitation likelihood (EPSS 51.65%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.30% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-12-28 | 49.36% | 51.65% | +2.30% |
| 2 | 2025-12-27 | 51.65% | 49.36% | -2.30% |
| 3 | 2025-10-28 | — | 51.65% | — |
Full EPSS history (24 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | .net_framework | 3.0 | cpe:2.3:a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:* |
| microsoft | .net_framework | 3.5 | cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:* |
| microsoft | .net_framework | 3.5.1 | cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:* |
| microsoft | .net_framework | 4.0 | cpe:2.3:a:microsoft:.net_framework:4.0:*:*:*:*:*:*:* |
| microsoft | .net_framework | 4.5 | cpe:2.3:a:microsoft:.net_framework:4.5:*:*:*:*:*:*:* |
| microsoft | lync | 2010 | cpe:2.3:a:microsoft:lync:2010:*:attendee:*:*:*:*:* |
| microsoft | lync | 2010 | cpe:2.3:a:microsoft:lync:2010:*:x64:*:*:*:*:* |
| microsoft | lync | 2010 | cpe:2.3:a:microsoft:lync:2010:*:x86:*:*:*:*:* |
| microsoft | lync | 2013 | cpe:2.3:a:microsoft:lync:2013:-:x64:*:*:*:*:* |
| microsoft | lync | 2013 | cpe:2.3:a:microsoft:lync:2013:-:x86:*:*:*:*:* |
| microsoft | lync_basic | 2013 | cpe:2.3:a:microsoft:lync_basic:2013:-:x64:*:*:*:*:* |
| microsoft | lync_basic | 2013 | cpe:2.3:a:microsoft:lync_basic:2013:-:x86:*:*:*:*:* |
| microsoft | office | 2003 | cpe:2.3:a:microsoft:office:2003:sp3:*:*:*:*:*:* |
| microsoft | office | 2007 | cpe:2.3:a:microsoft:office:2007:sp3:*:*:*:*:*:* |
| microsoft | office | 2010 | cpe:2.3:a:microsoft:office:2010:sp1:x64:*:*:*:*:* |
| microsoft | office | 2010 | cpe:2.3:a:microsoft:office:2010:sp1:x86:*:*:*:*:* |
| microsoft | silverlight | 5.0.60401.0 | cpe:2.3:a:microsoft:silverlight:5.0.60401.0:*:*:*:*:*:*:* |
| microsoft | silverlight | 5.0.60818.0 | cpe:2.3:a:microsoft:silverlight:5.0.60818.0:*:*:*:*:*:*:* |
| microsoft | silverlight | 5.0.60818.0 | cpe:2.3:a:microsoft:silverlight:5.0.60818.0:rc:*:*:*:*:*:* |
| microsoft | silverlight | 5.0.61118.0 | cpe:2.3:a:microsoft:silverlight:5.0.61118.0:*:*:*:*:*:*:* |
| microsoft | silverlight | 5.1.10411.0 | cpe:2.3:a:microsoft:silverlight:5.1.10411.0:*:*:*:*:*:*:* |
| microsoft | silverlight | 5.1.20125.0 | cpe:2.3:a:microsoft:silverlight:5.1.20125.0:*:*:*:*:*:*:* |
| microsoft | visual_studio_.net | 2003 | cpe:2.3:a:microsoft:visual_studio_.net:2003:sp1:*:*:*:*:*:* |
| microsoft | windows_7 | — | cpe:2.3:o:microsoft:windows_7:*:sp1:x64:*:*:*:*:* |
| microsoft | windows_7 | — | cpe:2.3:o:microsoft:windows_7:*:sp1:x86:*:*:*:*:* |
| microsoft | windows_8 | — | cpe:2.3:o:microsoft:windows_8:-:-:x64:*:*:*:*:* |
| microsoft | windows_8 | — | cpe:2.3:o:microsoft:windows_8:-:-:x86:*:*:*:*:* |
| microsoft | windows_rt | — | cpe:2.3:o:microsoft:windows_rt:-:*:*:*:*:*:*:* |
| microsoft | windows_server_2003 | — | cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:* |
| microsoft | windows_server_2008 | — | cpe:2.3:o:microsoft:windows_server_2008:*:sp2:itanium:*:*:*:*:* |
| microsoft | windows_server_2008 | — | cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:* |
| microsoft | windows_server_2008 | — | cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x86:*:*:*:*:* |
| microsoft | windows_server_2012 | — | cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* |
| microsoft | windows_vista | — | cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:* |