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Vulnerability record · CVE-2010-3238 · published 13 October 2010

CVE-2010-3238: Microsoft excel improper input validation vulnerability

Microsoft · Excel

Microsoft Excel 2002 SP3 and 2003 SP3, and Office 2004 for Mac, does not properly validate binary file-format information, which allows remote attackers to execute arbitrary code via a crafted Excel document, aka "Negative Future Function Vulnerability."

9.3 CVSS 2.0 High EPSS 21% · top 2.5% CWE-20 · Improper input validation
9.3CVSS 2.0 base score
21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

Microsoft Excel 2002 SP3 and 2003 SP3, and Office 2004 for Mac, does not properly validate binary file-format information, which allows remote attackers to execute arbitrary code via a crafted Excel document, aka "Negative Future Function Vulnerability."

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

Affected products

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

References

LinkTags
http://www.us-cert.gov/cas/techalerts/TA10-285A.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-080
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6872
http://www.us-cert.gov/cas/techalerts/TA10-285A.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-080
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6872

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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-2010-3238), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.