CVE-2009-0556β€”Microsoft Office PowerPoint Code Injection Vulnerability

PUBLISHEDvulnerability record
2026-01-07 Β· last modified January 7, 2026

Metadata

CVE ID:
CVE-2009-0556
Project:
Microsoft
Product:
Office
Date Added:
2026-01-07
Due Date:
2026-01-28
Last Updated:
January 7, 2026

Vulnerability Name

Microsoft Office PowerPoint Code Injection Vulnerability

Description

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.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
Unknown

Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Additional Notes

  • https://learn.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-017
  • https://nvd.nist.gov/vuln/detail/CVE-2009-0556

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