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Vulnerability record · CVE-2011-0103 · published 13 April 2011

CVE-2011-0103: Microsoft excel memory buffer overflow vulnerability

Microsoft · Excel

Microsoft Excel 2002 SP3 and 2003 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted record information in an Excel file, aka "Excel Memory Corruption Vulnerability."

9.3 CVSS 2.0 High EPSS 25% · top 2.1% CWE-119 · Memory buffer overflow
9.3CVSS 2.0 base score
25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
18References
16 Jun 2026Last modified by NVD

Description

Microsoft Excel 2002 SP3 and 2003 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted record information in an Excel file, aka "Excel Memory Corruption Vulnerability."

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

Affected products

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

References

LinkTags
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=901
http://osvdb.org/71760
http://secunia.com/advisories/39122
http://www.securityfocus.com/bid/47244
http://www.securitytracker.com/id?1025337
http://www.us-cert.gov/cas/techalerts/TA11-102A.html US Government Resource
http://www.vupen.com/english/advisories/2011/0940
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-021
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12616
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=901
http://osvdb.org/71760
http://secunia.com/advisories/39122
http://www.securityfocus.com/bid/47244
http://www.securitytracker.com/id?1025337
http://www.us-cert.gov/cas/techalerts/TA11-102A.html US Government Resource
http://www.vupen.com/english/advisories/2011/0940
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-021
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12616

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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-2011-0103), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.