Vulnerability Analysis
CVE-2009-0556
Microsoft Office PowerPoint 2000 SP3, 2002 SP3, and 2003 SP3, and PowerPoint in Microsoft Office 2004 for Mac, allows remote attackers to execute arbitrary code via a PowerPoint file with an OutlineTextRefAtom containing an an invalid index value that triggers memory corruption, as exploited in the wild in April 2009 by Exploit:Win32/Apptom.gen, aka "Memory Corruption Vulnerability."
CISA KEV
CVSS Base Score
8.8
HIGH
Exploitability:2.9
Impact Score:5.9
Temporal Score:-
EPSS:67.54%
Threat Intelligence Signals
CISA KEV
YES
KEV Date Added
2026-01-07
Ransomware Use
Unknown
KEV Due Date
2026-01-28
VulnCheck In-the-Wild
No
Nuclei Template
No
EPSS Score
67.539%
EPSS Percentile
99.2th pct
GHSA ID
GitHub Severity
HIGH
SSVC Exploitation
—
SSVC Automatable
—
Vulnerability Class
—
Identity & Timeline
| Status | - |
| Assigning Authority | - |
| CVSS Version / Source | - |
| Reserved | - |
| Published | - |
| Patch Date (date_public) | - |
| Exploit DB Date | - |
| First GitHub PoC Date | - |
| Last Updated | - |
| Time to Patch (Days to fix) | - |
| Exploit Release Gap | - |
| PoC Release Gap | - |
| Exploit DB References | None identified |
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| No affected products specified. | ||
Social Buzz