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Vulnerability record · CVE-2012-0143 · published 9 May 2012

CVE-2012-0143: Microsoft excel vulnerability

Microsoft · Excel

Microsoft Excel 2003 SP3 and Office 2008 for Mac do not properly handle memory during the opening of files, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Memory Corruption Using Various Modified Bytes Vulnerability."

9.3 CVSS 2.0 High EPSS 22% · top 2.4% CWE-399 · CWE-399
9.3CVSS 2.0 base score
22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

Microsoft Excel 2003 SP3 and Office 2008 for Mac do not properly handle memory during the opening of files, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Memory Corruption Using Various Modified Bytes 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://secunia.com/advisories/49112
http://www.securityfocus.com/bid/53374
http://www.securitytracker.com/id?1027041
http://www.us-cert.gov/cas/techalerts/TA12-129A.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-030
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15064
http://secunia.com/advisories/49112
http://www.securityfocus.com/bid/53374
http://www.securitytracker.com/id?1027041
http://www.us-cert.gov/cas/techalerts/TA12-129A.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-030
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15064

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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-2012-0143), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.