Is CVE-2009-0238 actively exploited?

CVE-2009-0238 has no public evidence of in-the-wild exploitation as of 2026-04-22.

What is the CVSS score for CVE-2009-0238?

CVE-2009-0238 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

How do I patch CVE-2009-0238?

Patch guidance is available from microsoft security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2009-0238.

Fix CVE-2009-0238 - HIGH microsoft excel

Q: Which products are affected by CVE-2009-0238?

10 products: microsoft excel, microsoft excel, microsoft excel, microsoft excel, microsoft excel viewer, and 5 more.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-94 · Code Injection CWE-94 · Code Injection

Metadata

Primary Vendor: MICROSOFT
Published: 2/25/2009
Last Modified: 4/22/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

microsoft : excelmicrosoft : excelmicrosoft : excelmicrosoft : excelmicrosoft : excel_viewermicrosoft : officemicrosoft : officemicrosoft : office_compatibility_packmicrosoft : office_excel_viewermicrosoft : office_excel_viewer

Remediation Guidance

Executive Summary

View on NIST NVD