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Vulnerability record · CVE-2010-1249 · published 8 June 2010

CVE-2010-1249: Microsoft excel code injection vulnerability

Microsoft · Excel

Buffer overflow in Microsoft Office Excel 2002 SP3, Office 2004 for Mac, Office 2008 for Mac, and Open XML File Format Converter for Mac allows remote attackers to execute arbitrary code via an Excel file with a malformed ExternName (0x23) record, aka "Excel Memory Corruption Vulnerability," a different vulnerability than CVE-2010-0823 and CVE-2010-1247.

9.3 CVSS 2.0 High EPSS 25% · top 2.2% CWE-94 · Code injection
9.3CVSS 2.0 base score
25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

Buffer overflow in Microsoft Office Excel 2002 SP3, Office 2004 for Mac, Office 2008 for Mac, and Open XML File Format Converter for Mac allows remote attackers to execute arbitrary code via an Excel file with a malformed ExternName (0x23) record, aka "Excel Memory Corruption Vulnerability," a different vulnerability than CVE-2010-0823 and CVE-2010-1247.

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://osvdb.org/65232
http://www.securityfocus.com/archive/1/511767/100/0/threaded
http://www.securityfocus.com/bid/40527
http://www.us-cert.gov/cas/techalerts/TA10-159B.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-038
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6634
http://osvdb.org/65232
http://www.securityfocus.com/archive/1/511767/100/0/threaded
http://www.securityfocus.com/bid/40527
http://www.us-cert.gov/cas/techalerts/TA10-159B.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-038
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6634

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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-2010-1249), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.