CVE-2009-1136
HIGHEPSS 99th pctlDescription
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."
CVSS v2 Vector
No CVSS vector data available.
Exploit Intelligence
Very high risk: more likely to be exploited than 99% of all known CVEs.
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
- http://www.microsoft.com/technet/security/advisory/973472.mspx
- http://www.us-cert.gov/cas/techalerts/TA09-223A.html
- http://xeye.us/blog/2009/07/one-0day/
- 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
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.