CVE-2012-0143
Microsoft Excel 2003 SP3 and Office 2008 for Mac do not properly handle memory during the opening...
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."
Exploit likelihood
What each source reports
NVD Score used
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."
- Record
CVE-2012-0143- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
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."
- Record
CVE-2012-0143- Updated
- 2026-11-02
EUVDEUVD-2012-0181 No score
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."
- Record
EUVD-2012-0181- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w534-xhv6-3xvh No score
Microsoft Excel 2003 SP3 and Office 2008 for Mac do not properly handle memory during the opening...
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."
- Record
GHSA-w534-xhv6-3xvh- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-0143 is a high vulnerability (CVSS 9.3) in Microsoft Excel, published May 9, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 22.4%, the 97th percentile. No source names a fixed version.
References
securitytracker.com/id?1027041
securityfocus.com/bid/53374
docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-030
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15064
secunia.com/advisories/49112
us-cert.gov/cas/techalerts/TA12-129A.html
nvd.nist.gov/vuln/detail/CVE-2012-0143
github.com/advisories/GHSA-w534-xhv6-3xvh