CVE-2009-0556
Microsoft Office PowerPoint 2000 SP3, 2002 SP3, and 2003 SP3, and PowerPoint in Microsoft Office 2004 for Mac, allows remote attackers to…
- Published
- Updated
- Reserved
- Assigned by
- microsoft
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."
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Microsoft Office PowerPoint Code Injection Vulnerability.
- Added
- 7 Jan 2026
- Fix due (US federal)
- 28 Jan 2026
- Used by ransomware
- Not known
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 67.3% · top 0.7% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
Affected products
n/a
- affected n/a
References (19)
- http://www.zerodayinitiative.com/advisories/ZDI-09-019 (opens in a new tab)x_refsource_MISCx_transferred
- http://blogs.technet.com/mmpc/archive/2009/04/02/new-0-day-exploits-using-powerpoint-files.aspx (opens in a new tab)x_refsource_CONFIRMx_transferred
- ADV-2009-1290 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 53182 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- MS09-017 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- powerpoint-unspecified-code-execution(49632) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 34351 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- ADV-2009-0915 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- http://blogs.technet.com/msrc/archive/2009/04/02/microsoft-security-advisory-969136.aspx (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://blogs.technet.com/srd/archive/2009/04/02/investigating-the-new-powerpoint-issue.aspx (opens in a new tab)x_refsource_CONFIRMx_transferred
- oval:org.mitre.oval:def:6279 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 34572 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 1021967 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- TA09-132A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- http://www.microsoft.com/technet/security/advisory/969136.mspx (opens in a new tab)x_refsource_CONFIRMx_transferred
- VU#627331 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- 20090512 ZDI-09-019: Microsoft Office PowerPoint OutlineTextRefAtom Parsing Memory Corruption Vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- oval:org.mitre.oval:def:6204 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-0556 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2009-0556)Record last updated .