CVE-2009-1136

Exp

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."

Published: 2009-07-15 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2009-1136 is rated High Exploit Risk (81.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 62.02%, 99th percentile). Core evidence: 4 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2009-1136

EDB-ID Source Kind Published Link
16537 exploit_db edb 2010-07-20 Exploit-DB ↗
9163 exploit_db edb 2009-07-16 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-1136

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 86.08% 62.02% -24.06%
2 2026-03-30 84.92% 86.08% +1.16%
3 2026-01-31 84.92%

Full EPSS history (26 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-1136

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2009-1136

Affected software / configurations for CVE-2009-1136

Vendor Product Version Raw CPE
microsoft isa_server 2004 cpe:2.3:a:microsoft:isa_server:2004:sp3:enterprise:*:*:*:*:*
microsoft isa_server 2004 cpe:2.3:a:microsoft:isa_server:2004:sp3:standard:*:*:*:*:*
microsoft isa_server 2006 cpe:2.3:a:microsoft:isa_server:2006:*:*:*:*:*:*:*
microsoft isa_server 2006 cpe:2.3:a:microsoft:isa_server:2006:sp1:*:*:*:*:*:*
microsoft isa_server 2006 cpe:2.3:a:microsoft:isa_server:2006:supportability:*:*:*:*:*:*
microsoft office 2003 cpe:2.3:a:microsoft:office:2003:*:small_business_accounting_2006:*:*:*:*:*
microsoft office 2003 cpe:2.3:a:microsoft:office:2003:sp3:*:*:*:*:*:*
microsoft office_web_components 2003 cpe:2.3:a:microsoft:office_web_components:2003:sp1:2007_microsoft_office:*:*:*:*:*
microsoft office_web_components 2003 cpe:2.3:a:microsoft:office_web_components:2003:sp3:*:*:*:*:*:*
microsoft office_web_components xp cpe:2.3:a:microsoft:office_web_components:xp:sp3:*:*:*:*:*:*
microsoft office_xp sp3 cpe:2.3:a:microsoft:office_xp:sp3:*:*:*:*:*:*:*

References for CVE-2009-1136

cvelogic Threat Intelligence