CVE-2009-1130

CVE-2009-1130 is a critical-severity vulnerability in Microsoft Office with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 39% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Description

Heap-based buffer overflow in Microsoft Office PowerPoint 2002 SP3 and 2003 SP3, and PowerPoint in Microsoft Office 2004 for Mac, allows remote attackers to execute arbitrary code via a crafted structure in a Notes container in a PowerPoint file that causes PowerPoint to read more data than was allocated when creating a C++ object, leading to an overwrite of a function pointer, aka "Heap Corruption Vulnerability."

Frequently asked questions

What is CVE-2009-1130?
Heap-based buffer overflow in Microsoft Office PowerPoint 2002 SP3 and 2003 SP3, and PowerPoint in Microsoft Office 2004 for Mac, allows remote attackers to execute arbitrary code via a crafted structure in a Notes container in a PowerPoint file that causes PowerPoint to read more data than was allocated when creating a C++ object, leading to an overwrite of a function pointer, aka "Heap Corruption Vulnerability."
How severe is CVE-2009-1130?
CVE-2009-1130 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-1130 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 39% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1130?
CVE-2009-1130 primarily affects Microsoft Office. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1130?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2009-1130 published?
CVE-2009-1130 was published on 2009-05-12 and last updated on 2026-06-16.

References

Affected products (3)

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