CVE-2009-0557 on CISA KEV

Excel in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2004 and 2008 for Mac; Excel in 2007 Microsoft Office System SP1 and SP2; Open XML File Format Converter for Mac; Microsoft Office Excel Viewer 2003 SP3; Microsoft Office Excel Viewer; and Microsoft Of

01What CISA says about this vulnerability

Excel in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2004 and 2008 for Mac; Excel in 2007 Microsoft Office System SP1 and SP2; Open XML File Format Converter for Mac; Microsoft Office Excel Viewer 2003 SP3; Microsoft Office Excel Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allow remote attackers to execute…

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

• www.vupen.com — http://www.vupen.com/english/advisories/2009/1540
• oval.cisecurity.org — https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3…
• www.securitytracker.com — http://www.securitytracker.com/id?1022351
• docs.microsoft.com — https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-02…
• osvdb.org — http://osvdb.org/54953
• www.securityfocus.com — http://www.securityfocus.com/bid/35241
• www.us-cert.gov — http://www.us-cert.gov/cas/techalerts/TA09-160A.html

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
n	a / n/a	n/a

06Detection

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