CVE-2009-1136
The Microsoft Office Web Components Spreadsheet ActiveX control (aka OWC10 or OWC11), as distributed in Office XP SP3 and 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 Gold and SP1, and Office Small Business Accounting 2006, when used in Internet Explorer, allows remote attackers to execute arbitrary code via a crafted call to the msDataSourceObject method, as exploited in the wild in July and August 2009, aka "Office Web Components HTML Script 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-94
- EPSS score
- 62.0% (99th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-1137)
- Published
- July 15, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-1137 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- microsoft / isa server
- microsoft / isa server
- microsoft / isa server
- microsoft / isa server
- microsoft / isa server
- microsoft / office
- microsoft / office
- microsoft / office web components
- microsoft / office web components
- microsoft / office web components
- microsoft / office xp
References
- http://blogs.technet.com/msrc/archive/2009/07/13/microsoft-security-advisory-973472-released.aspx
- http://blogs.technet.com/srd/archive/2009/07/13/more-information-about-the-office-web-components-activex-vulnerability.aspx
- http://isc.sans.org/diary.html?storyid=6778
- http://trac.metasploit.com/browser/framework3/trunk/modules/exploits/windows/browser/owc_spreadsheet_msdso.rb(Exploit)
- http://www.microsoft.com/technet/security/advisory/973472.mspx(Vendor Advisory)
- http://www.us-cert.gov/cas/techalerts/TA09-223A.html(US Government Resource)
- http://xeye.us/blog/2009/07/one-0day/(Exploit)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-043
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5809
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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