CVE-2013-3181

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."

Published: 2013-08-14 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2013-3181

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-3181

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2013-3181

Affected software / configurations for CVE-2013-3181

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:*:*:*:*:*:*

References for CVE-2013-3181

cvelogic Threat Intelligence