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CVE-2009-0556 — Microsoft Office PowerPoint Code Injection Vulnerability

provenance: imported · CVE: CVE-2009-0556

CVE-2009-0556: Microsoft Office PowerPoint Code Injection Vulnerability

CISA Known Exploited Vulnerability (KEV)

Vendor / project Microsoft
Product Office
Date added 2026-01-07
Due date 2026-01-28
Ransomware campaign use Unknown

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.

Required action (CISA)

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

Notes

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

References

  • NVD: https://nvd.nist.gov/vuln/detail/CVE-2009-0556
  • KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog