Microsoft Office PowerPoint 2000 SP3, 2002 SP3, and 2003 SP3, and PowerPoint in Microsoft Office 2004 for Mac, allows remote attackers to ex
Affects Microsoft Office PowerPoint 2000 SP3, 2002 SP3, and 2003 SP3, and PowerPoint in Office 2004 for Mac. The advisory lists a fix for PowerPoint 2000 SP3 under KB957790.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Fix
- Fixed in Microsoft Office PowerPoint 2000 Service Pack 3 (KB957790)
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
Microsoft PowerPoint in older releases of Microsoft Office for Windows and for Mac is affected. An attacker could run arbitrary code on a user's computer by providing a specially crafted PowerPoint file that the user opens.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original 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."
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- Record last updated
- CISA remediation deadline
Due date for US federal agencies to patch
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- n/a n/a
Version range not reported
References 18
zerodayinitiative.com
blogs.technet.com
osvdb.org
docs.microsoft.com
exchange.xforce.ibmcloud.com
securityfocus.com
oval.cisecurity.org
secunia.com
securitytracker.com
us-cert.gov
microsoft.com
kb.cert.org
Questions about CVE-2009-0556
What does this mean?
The flaw lets a remote attacker run code on a computer through PowerPoint. The advisory says an attacker could take complete control of an affected system, install programs, view, change, or delete data, or create new accounts with full user rights.Source: learn.microsoft.com
Am I affected, and how do I check?
The advisory's affected software table lists PowerPoint 2000 SP3, 2002 SP3, and 2003 SP3, and Office 2004 for Mac. To check a computer, compare its PowerPoint or Office version and service pack with that list.Source: learn.microsoft.com
What should I do about it?
For PowerPoint 2000 SP3, the advisory points to the fix in KB957790. The facts provided do not name a fix for the other listed versions, so check Microsoft's advisory for the update that applies to your version.Source: learn.microsoft.com
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-01-07, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data