KEV · Actively exploited

CVE-2009-0238

CVE-2009-0238 is actively exploited (CISA KEV catalog) : high severity (CVSS 8.8), 3 tracked apps concerned, none still exposed on their current version.

Severity (CVSS): 8.8
Exploitation: Confirmed
Tracked apps: 3
Still exposed: 0

Published on 2009-02-25

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.

Attack vector : Network No privileges required

Show raw CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS 42.94% predictive model; CISA confirms active exploitation percentile 98.7%

CISA Known Exploited Vulnerability

Added to KEV: 2026-04-14
Remediation deadline: 2026-04-28
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.
Ransomware: Unknown (not documented by CISA)

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Microsoft Excel macOS com.microsoft.Excel

Affected - Fixed in - Latest tracked 16.114 undetermined
Microsoft Office macOS brew:cask:microsoft-office

Affected - Fixed in - Latest tracked 16.114.26101123 undetermined
Office Windows winget:Microsoft.Office

Affected - Fixed in - Latest tracked - undetermined

Vulnerable CPE configurations (10)

Vendor	Product	Platform	Versions	CPE 2.3 URI
microsoft	excel All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:excel:2000:sp3::::::
microsoft	excel All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:excel:2000:sp3::::::
microsoft	excel All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:excel:2002:sp3::::::
microsoft	excel All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:excel:2002:sp3::::::
microsoft	excel All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:excel:2003:sp3::::::
microsoft	excel All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:excel:2003:sp3::::::
microsoft	excel All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:excel:2007:sp1::::::
microsoft	excel All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:excel:2007:sp1::::::
microsoft	office macOS	macOS	-	cpe:2.3:a:microsoft:office:2004:::::macos::
microsoft	office macOS	macOS	-	cpe:2.3:a:microsoft:office:2008:::::macos::

View on NVD ↗ CISA KEV catalog ↗ Advisory · www.microsoft.com Advisory · docs.microsoft.com

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