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CVE-2009-2496

HIGH · CVSS 9.3EPSS 29.5%EU EUVD

Heap-based buffer overflow in the Office Web Components ActiveX Control in Microsoft Office XP SP3, Office 2003 SP3, Office XP Web Components SP3, Office 2003 Web Components SP3, Office 2003 Web Components SP1 for the 2007 Microsoft Office System, Internet Security and Acceleration (ISA) Server 2004 SP3 and 2006 SP1, and Office Small Business Accounting 2006 allows remote attackers to execute arbitrary code via unspecified parameters to unknown methods, aka "Office Web Components Heap Corruption Vulnerability."

Key facts

CVSS score
9.3 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE)
CWE-119
EPSS score
29.5% (98th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2009-2491)
Published
August 12, 2009
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-2491 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • microsoft / biztalk server
  • microsoft / internet security and acceleration server
  • microsoft / internet security and acceleration server
  • microsoft / internet security and acceleration server
  • microsoft / internet security and acceleration server
  • microsoft / office
  • microsoft / office
  • microsoft / office
  • microsoft / office web components
  • microsoft / office web components
  • microsoft / office web components
  • microsoft / office web components
  • microsoft / visual studio .net

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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