Integer signedness error in Microsoft Publisher 2003 SP3 allows remote attackers to execute arbitrary code via a crafted Publisher file that triggers an improper memory allocation, aka "Publisher Signed Integer Vulnerability."
Conclusion & alert: CVE-2013-1327 is rated High Risk (71.1/100): CVSS Critical severity, with high exploitation likelihood (EPSS 58.63%, 98th 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 | 2025-10-18 | 59.04% | 58.63% | -0.41% |
| 2 | 2025-03-30 | 69.23% | 59.04% | -10.20% |
| 3 | 2025-03-29 | — | 69.23% | — |
Full EPSS history (16 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] |