Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, Windows 10, Office 2007 SP3 and 2010 SP2, Live Meeting 2007 Console, Lync 2010, Lync 2010 Attendee, Lync 2013 SP1, Lync Basic 2013 SP1, and Silverlight before 5.1.40728 allow remote attackers to execute arbitrary code via a crafted TrueType font, aka "TrueType Font Parsing Vulnerability."
Conclusion & alert: CVE-2015-2435 is rated High Risk (67.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 30.21%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. 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 | 2026-02-28 | 33.53% | 30.21% | -3.31% |
| 2 | 2025-06-09 | 30.21% | 33.53% | +3.31% |
| 3 | 2025-05-29 | — | 30.21% | — |
Full EPSS history (20 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 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 | 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 | .net_framework | 4.5.1 | cpe:2.3:a:microsoft:.net_framework:4.5.1:*:*:*:*:*:*:* |
| microsoft | .net_framework | 4.5.2 | cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:* |
| microsoft | .net_framework | 4.6 | cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:* |
| microsoft | .net_framework | 3.5.1 | cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:* |
| microsoft | .net_framework | 3.5 | cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:* |
| microsoft | live_meeting | 2007 | cpe:2.3:a:microsoft:live_meeting:2007:*:*:*:*:*:*:* |
| microsoft | lync | 2010 | cpe:2.3:a:microsoft:lync:2010:*:*:*:*:*:*:* |
| microsoft | lync | 2010 | cpe:2.3:a:microsoft:lync:2010:*:*:*:attendee:*:*:* |
| microsoft | lync | 2013 | cpe:2.3:a:microsoft:lync:2013:sp1:*:*:*:*:*:* |
| microsoft | lync_basic | 2013 | cpe:2.3:a:microsoft:lync_basic:2013:sp1:*:*:*:*:*:* |
| microsoft | office | 2007 | cpe:2.3:a:microsoft:office:2007:sp3:*:*:*:*:*:* |
| microsoft | office | 2010 | cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:*:* |
| microsoft | silverlight | <= 5.1.40416.0 | cpe:2.3:a:microsoft:silverlight:*:*:*:*:*:*:*:* |
| microsoft | windows_10 | — | cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* |
| microsoft | windows_7 | — | cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:* |
| microsoft | windows_8 | — | cpe:2.3:o:microsoft:windows_8:-:*:*:*:*:*:*:* |
| microsoft | windows_8.1 | — | cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* |
| microsoft | windows_rt | — | cpe:2.3:o:microsoft:windows_rt:-:*:*:*:*:*:*:* |
| microsoft | windows_rt_8.1 | — | cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* |
| microsoft | windows_server_2008 | — | cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* |
| microsoft | windows_server_2008 | r2 | cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:* |
| microsoft | windows_server_2008 | r2 | cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* |
| microsoft | windows_server_2012 | — | cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* |
| microsoft | windows_server_2012 | r2 | cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* |
| microsoft | windows_vista | — | cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/76238 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1033238 | Third Party Advisory VDB Entry |
| http://www.zerodayinitiative.com/advisories/ZDI-15-387 | Third Party Advisory VDB Entry |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-080 | Patch Vendor Advisory |