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Vulnerability record · CVE-2009-0559 · published 10 June 2009

CVE-2009-0559: Microsoft office code injection vulnerability

Microsoft · Office

Stack-based buffer overflow in Excel in Microsoft Office 2000 SP3 and Office XP SP3 allows remote attackers to execute arbitrary code via a crafted Excel file with a malformed record object, aka "String Copy Stack-Based Overrun Vulnerability."

9.3 CVSS 2.0 High EPSS 29% · top 1.9% CWE-94 · Code injection
9.3CVSS 2.0 base score
29%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

Stack-based buffer overflow in Excel in Microsoft Office 2000 SP3 and Office XP SP3 allows remote attackers to execute arbitrary code via a crafted Excel file with a malformed record object, aka "String Copy Stack-Based Overrun Vulnerability."

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/35243
http://www.securitytracker.com/id?1022351
http://www.us-cert.gov/cas/techalerts/TA09-160A.html US Government Resource
http://www.vupen.com/english/advisories/2009/1540
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-021
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6273
http://www.securityfocus.com/bid/35243
http://www.securitytracker.com/id?1022351
http://www.us-cert.gov/cas/techalerts/TA09-160A.html US Government Resource
http://www.vupen.com/english/advisories/2009/1540
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-021
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6273

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-0559), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.