CVEvulnerability

CVE-2009-0556

8.8 HIGH Known exploited Published 2009-04-03 Modified 2026-06-16 Official page ↗

CISA Known Exploited Vulnerability

Microsoft Office PowerPoint Code Injection Vulnerability — Microsoft Office

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.

Added to KEV
2026-01-07
Remediation due
2026-01-28
Ransomware use
Unknown
Required 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.
Notes
https://learn.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-017 ; https://nvd.nist.gov/vuln/detail/CVE-2009-0556
Status
Analyzed
Published
2009-04-03
Last modified
2026-06-16
Assigner
[email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
Weaknesses
CWE-94

Description

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."

Affected configurations

• microsoft office powerpoint 2004 • microsoft powerpoint 2000 • microsoft powerpoint 2002 • microsoft powerpoint 2003

Related

Weakness · CWE (1)

  • CWE-94 Improper Control of Generation of Code weakness

References