CVE-2009-1136
High PUBLISHEDThe Microsoft Office Web Components Spreadsheet ActiveX control (aka OWC10 or OWC11), as distributed in Office XP SP3 and Office 2003 SP3, Office...
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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."
- CVE Published
- Jul 15, 2009
- Exploitation Reported
- Jul 15, 2009
- CVSS
- 9.3 High
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| n/a |
n/a
|
n/a |
Affected |
CVE References
- MS09-043 docs.microsoft.com · Vendor Advisory https://docs.microsoft.com/en-us/security-updates/securitybulletins/2...
- TA09-223A us-cert.gov · Third-Party Advisory http://www.us-cert.gov/cas/techalerts/TA09-223A.html
- oval:org.mitre.oval:def:5809 oval.cisecurity.org · VDB Entry https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.m...
- isc.sans.org/diary.html isc.sans.org · CVE Record http://isc.sans.org/diary.html?storyid=6778
- microsoft.com/technet/security/advisory/973472.mspx microsoft.com · CVE Record http://www.microsoft.com/technet/security/advisory/973472.mspx
Show 4 more references
- blogs.technet.com/srd/archive/2009/07/13/more-information-abou... blogs.technet.com · CVE Record http://blogs.technet.com/srd/archive/2009/07/13/more-information-abou...
- blogs.technet.com/msrc/archive/2009/07/13/microsoft-security-a... blogs.technet.com · CVE Record http://blogs.technet.com/msrc/archive/2009/07/13/microsoft-security-a...
- xeye.us/blog/2009/07/one-0day xeye.us · CVE Record http://xeye.us/blog/2009/07/one-0day/
- trac.metasploit.com/browser/framework3/trunk/modules/exploits/wi... trac.metasploit.com · CVE Record http://trac.metasploit.com/browser/framework3/trunk/modules/exploits/...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CVE First | 2009-07-15 15:00 UTC |
Scanner Artifacts
Nuclei and Metasploit references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ms09_043_owc_msdso.rb | Apr 28, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
AV:N/AC:M/Au:N/C:C/I:C/A:C
Exploitation Status
Exploited in the wild
Recorded 2009-07-15 15:00:00 UTC · CVE
Proof of concept available
Recorded 2025-04-28 15:02:40 UTC
Scanner Integrations
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ms09_043_owc_msdso.rb | Apr 28, 2025 |
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
15:02 UTC about 1 year ago15:02 UTC · about 1 year ago
Metasploit module available
Exploit module available
-
15:02 UTC about 1 year ago15:02 UTC · about 1 year ago
Public PoC available
Public proof-of-concept code published
-
15:00 UTC about 17 years ago15:00 UTC · about 17 years ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
15:00 UTC about 17 years ago15:00 UTC · about 17 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC over 17 years ago00:00 UTC · over 17 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2009-1136
{
"cve_id": "CVE-2009-1136",
"title": "The Microsoft Office Web Components Spreadsheet ActiveX control (aka OWC10 or...",
"affected_vendor": "Microsoft",
"affected_product": "Office Web Components",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 9.3,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}