# CVE-2009-0238: Microsoft Office Remote Code Execution

> CVE-2009-0238: Microsoft Office Remote Code Execution. CVSS 8.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2009-0238
Last updated: 2026-06-16T23:04:33Z

- Published: 2009-02-25 16:00 UTC · Updated: 2026-06-16 23:04 UTC · Assigner: microsoft
- CVSS: 8.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS: 42.9%, 99th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2026-04-14, federal due date 2026-04-28, ransomware use: Unknown

## Description

Microsoft Office Excel 2000 SP3, 2002 SP3, 2003 SP3, and 2007 SP1; Excel Viewer 2003 Gold and SP3; Excel Viewer; Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1; and Excel in Microsoft Office 2004 and 2008 for Mac allow remote attackers to execute arbitrary code via a crafted Excel document that triggers an access attempt on an invalid object, as exploited in the wild in February 2009 by Trojan.Mdropper.AC.

## CISA required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

## Affected vendors and products

- Microsoft: Office

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2009-0238)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2009-0238)
- [http://blogs.zdnet.com/security/?p=2658](http://blogs.zdnet.com/security/?p=2658)
- [http://isc.sans.org/diary.html?storyid=5923](http://isc.sans.org/diary.html?storyid=5923)
- [https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-009](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-009)
- [http://securitytracker.com/id?1021744](http://securitytracker.com/id?1021744)
- [https://exchange.xforce.ibmcloud.com/vulnerabilities/48875](https://exchange.xforce.ibmcloud.com/vulnerabilities/48875)
- [https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5968](https://oval.cisecurity.org/repository/search/definition/oval%253Aorg.mitre.oval%253Adef%253A5968)
- [http://www.microsoft.com/technet/security/advisory/968272.mspx](http://www.microsoft.com/technet/security/advisory/968272.mspx)
- [http://www.securityfocus.com/bid/33870](http://www.securityfocus.com/bid/33870)
- [http://www.symantec.com/business/security\_response/writeup.jsp?docid=2009-022310-4202-99](http://www.symantec.com/business/security_response/writeup.jsp?docid=2009-022310-4202-99)
- [http://www.us-cert.gov/cas/techalerts/TA09-104A.html](http://www.us-cert.gov/cas/techalerts/TA09-104A.html)
- [http://www.vupen.com/english/advisories/2009/1023](http://www.vupen.com/english/advisories/2009/1023)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2009-0238 · Markdown: https://rewindex.com/cve/CVE-2009-0238.md · JSON: https://rewindex.com/api/v1/cves/CVE-2009-0238 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:47:36.251Z