In CISA KEV8.8 High
CVE-2009-0238
Microsoft Office Remote Code Execution
MicrosoftOffice
Status
- Exploited in the wild
- In CISA KEV since 14 Apr
- Vendor fix available
Federal deadlineTue 28 Apr, 23:59 UTC
Passed 179 days ago
CISA KEV · added 14 Apr
Exploit probabilityEPSSchecked 25 Oct
43%probability of exploitation in the next 30 days
Higher than 99% of scored CVEs
SeverityCVSS
8.8High
Description NVD
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.
Coverage 3 articles · 2 outlets
See the full timelineShow as table
| Published (UTC) | Outlet | Headline |
|---|---|---|
| Tue 14 Apr · 21:24 UTC | CISA | CISA Flags 2009 Excel Flaw CVE‑2009‑0238 as Actively Exploited |
| Tue 14 Apr · 23:08 UTC | CISA | CISA Adds CVE-2009-0238 Excel Flaw to KEV Catalog, Urges Patching |
| Wed 15 Apr · 15:06 UTC | Security Affairs | CISA adds old Excel RCE and SharePoint flaw to KEV list |
- CISA adds old Excel RCE and SharePoint flaw to KEV listSecurity Affairs
- CISA Adds CVE-2009-0238 Excel Flaw to KEV Catalog, Urges PatchingCISA · official notice
- CISA Flags 2009 Excel Flaw CVE‑2009‑0238 as Actively ExploitedCISA · first in our coverage · official notice