Microsoft PowerPoint 2002 SP3, 2003 SP3, and 2007 SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2; and PowerPoint Viewer 2007 SP2 do not properly handle Office Art containers that have invalid records, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a PowerPoint document with a container that triggers certain access to an uninitialized object, aka "OfficeArt Atom RCE Vulnerability."
Conclusion & alert: CVE-2011-0976 is rated High Risk (74/100): CVSS Critical severity, with high exploitation likelihood (EPSS 64.03%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.40% over the last day, indicating growing attacker interest. 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 | 2025-08-12 | 61.63% | 64.03% | +2.40% |
| 2 | 2025-03-30 | 72.02% | 61.63% | -10.40% |
| 3 | 2025-03-29 | — | 72.02% | — |
Full EPSS history (13 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 | powerpoint | 2007 | cpe:2.3:a:microsoft:powerpoint:2007:*:*:*:*:*:*:* |