CVE-2009-0556

Microsoft Office PowerPoint Code Injection Vulnerability
67.3%
EPSS
99%
Percentile
Yes
Known exploited
0
APAC news · 90d
Summary

Microsoft Office PowerPoint contains a code injection vulnerability that allows remote attackers to execute arbitrary code via a PowerPoint file with an OutlineTextRefAtom containing an invalid index value that triggers memory corruption.

Vendor
Microsoft
Product
Office
Added to KEV
Jan 7, 2026
Remediation due
Jan 28, 2026 (US federal deadline)
Ransomware use
Not known
Weakness
CWE-94
EPSS
67.3% as of Nov 12
In the news
  • No Asia-Pacific article names this CVE yet.
Linked
Actors named alongside it:
none
Incidents exploiting it:
  • none recorded