CISA confirmó el 14.04.2026 que esta vulnerabilidad se usa en ataques reales. Plazo para las agencias federales de EE. UU.: 28.04.2026.
Acción requerida: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://learn.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-009 ; https://nvd.nist.gov/vuln/detail/CVE-2009-0238
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.
Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.
| Fabricante | Producto | Versiones | |
|---|---|---|---|
| microsoft | excel | 2000 | |
| microsoft | excel viewer | — | |
| microsoft | office | 2004 | |
| microsoft | office compatibility pack | 2007 | |
| microsoft | office excel viewer | 2003 |
cpe:2.3:a:microsoft:excel:2000:sp3:*:*:*:*:*:*cpe:2.3:a:microsoft:excel:2002:sp3:*:*:*:*:*:*cpe:2.3:a:microsoft:excel:2003:sp3:*:*:*:*:*:*cpe:2.3:a:microsoft:excel:2007:sp1:*:*:*:*:*:*cpe:2.3:a:microsoft:excel_viewer:*:*:*:*:*:*:*:*cpe:2.3:a:microsoft:office:2004:*:*:*:*:macos:*:*cpe:2.3:a:microsoft:office:2008:*:*:*:*:macos:*:*cpe:2.3:a:microsoft:office_compatibility_pack:2007:sp1:*:*:*:*:*:*cpe:2.3:a:microsoft:office_excel_viewer:*:*:*:*:*:*:*:*cpe:2.3:a:microsoft:office_excel_viewer:2003:sp3:*:*:*:*:*:*Nuestro sensor honeypot gratuito y de código abierto espera en puertos que su servidor no usa y reporta a una lista compartida los escáneres y atacantes que se conectan.