usp10.dll in the Unicode Scripts Processor in Microsoft Windows XP SP2 and SP3 and Windows Server 2003 SP2 allows remote attackers to execute arbitrary code via a crafted OpenType font, aka "Uniscribe Font Parsing Engine Memory Corruption Vulnerability."
Conclusion & alert: CVE-2013-3181 is rated High Risk (66.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 20.29%, 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 | 2026-06-15 | 44.47% | 20.29% | -24.19% |
| 2 | 2025-12-28 | 38.14% | 44.47% | +6.33% |
| 3 | 2025-12-27 | — | 38.14% | — |
Full EPSS history (26 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 | windows_server_2003 | — | cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.us-cert.gov/ncas/alerts/TA13-225A | Third Party Advisory US Government Resource |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-060 | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17442 |