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Vulnerabilities / CVE-2009-0556

CVE-2009-0556

Published 2009-04-03 · Analyzed

CVE-2009-0556

Microsoft Office PowerPoint Code Injection Vulnerability

Exploited in the wild: CISA added it to the Known Exploited Vulnerabilities catalog on 2026-01-07, with a fix-by date of 2026-01-28. Patch it first.

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

8.8 HIGH
CVSS 3.1 · CNA
67%
chance of exploitation in the next 30 days (EPSS; in the top 1% of all CVEs)

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."

Scores

Affected products

  • microsoft office powerpoint: 2004
  • microsoft powerpoint: 2000 sp3; 2002 sp3; 2003 sp3

Weakness: CWE-94

19 references (advisories, patches, write-ups)

Sources: NVD, CVE.org, FIRST EPSS. Missing ones did not answer or have no record yet.

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