CVE-2009-2496

highpriority · attend · 47EPSS 0.295 · 98 %ileEUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

29.5% (98th) EPSS

CVSS 9.3 · high

Is it mine?

11 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

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."

cvss

Technical severity, 0–10. One row per scoring source.

9.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 10

v2.07.9highAV:N/AC:M/Au:N/C:C/I:C/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimary

affected products (11)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
microsoft biztalk server= 2002nvdUScpe:2.3:a:microsoft:biztalk_server:*:*:*:*:*:*:*:*
microsoft internet security and acceleration server= 2004nvdUScpe:2.3:a:microsoft:internet_security_and_acceleration_server:*:*:*:*:*:*:*:*
microsoft internet security and acceleration server= 2006nvdUScpe:2.3:a:microsoft:internet_security_and_acceleration_server:*:*:*:*:*:*:*:*
microsoft officeall versionsnvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office= 2003nvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office= xpnvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office web components= 2000nvdUScpe:2.3:a:microsoft:office_web_components:*:*:*:*:*:*:*:*
microsoft office web components= 2003nvdUScpe:2.3:a:microsoft:office_web_components:*:*:*:*:*:*:*:*
microsoft office web components= xpnvdUScpe:2.3:a:microsoft:office_web_components:*:*:*:*:*:*:*:*
microsoft visual studio .net= 2003nvdUScpe:2.3:a:microsoft:visual_studio_.net:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2009-08-12modified 2026-06-16

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+21038 more

references (8)

External citations — patches, advisories, analysis.

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