CVE-2009-1534

highpriority · attend · 65EPSS 0.516 · 99 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · functional

Likely / severe?

51.6% (99th) EPSS

CVSS 9.3 · high

Is it mine?

9 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

Buffer overflow in the Office Web Components ActiveX Control in Microsoft Office XP SP3, Office 2000 Web Components SP3, Office XP Web Components SP3, BizTalk Server 2002, and Visual Studio .NET 2003 SP1 allows remote attackers to execute arbitrary code via crafted property values, aka "Office Web Components Buffer Overflow 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

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:C/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimary

exploits (2)

Public proof-of-concept and weaponised exploit code.

EDB-16542Microsoft OWC Spreadsheet - HTMLURL Buffer Overflow (MS09-043) (Metasploit)functional · exploit_db
exploit/windows/browser/ms09_043_owc_htmlurlMicrosoft OWC Spreadsheet HTMLURL Buffer Overflowfunctional · metasploit

affected products (9)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
microsoft isa server= 2004nvdUScpe:2.3:a:microsoft:isa_server:*:*:*:*:*:*:*:*
microsoft isa server= 2006nvdUScpe:2.3:a:microsoft:isa_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:*:*:*:*:*:*:*:*

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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Related entries.

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+21023 more

references (12)

External citations — patches, advisories, analysis.

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