Integer overflow in Microsoft Publisher 2003 SP3 allows remote attackers to execute arbitrary code via a crafted Publisher file that triggers an improper allocation-size calculation, aka "Publisher Integer Overflow Vulnerability."
Conclusion & alert: CVE-2013-1317 is rated High Risk (66.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 20.87%, 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 | 64.76% | 20.87% | -43.89% |
| 2 | 2025-10-18 | 65.13% | 64.76% | -0.36% |
| 3 | 2025-03-30 | — | 65.13% | — |
Full EPSS history (17 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] |
| URL | Tags |
|---|---|
| http://www.us-cert.gov/ncas/alerts/TA13-134A | Third Party Advisory US Government Resource |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-042 | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16548 |