CVE-2012-2543
Stack-based buffer overflow in Microsoft Excel 2007 SP2 and SP3 and 2010 SP1; Office 2011 for Mac...
Stack-based buffer overflow in Microsoft Excel 2007 SP2 and SP3 and 2010 SP1; Office 2011 for Mac; Excel Viewer; and Office Compatibility Pack SP2 and SP3 allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Stack Overflow Vulnerability."
Exploit likelihood
What each source reports
NVD Score used
Stack-based buffer overflow in Microsoft Excel 2007 SP2 and SP3 and 2010 SP1; Office 2011 for Mac; Excel Viewer; and Office Compatibility Pack SP2 and SP3 allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Stack Overflow Vulnerability."
- Record
CVE-2012-2543- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
Stack-based buffer overflow in Microsoft Excel 2007 SP2 and SP3 and 2010 SP1; Office 2011 for Mac; Excel Viewer; and Office Compatibility Pack SP2 and SP3 allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Stack Overflow Vulnerability."
- Record
CVE-2012-2543- Updated
- 2026-11-02
EUVDEUVD-2012-2529 No score
Stack-based buffer overflow in Microsoft Excel 2007 SP2 and SP3 and 2010 SP1; Office 2011 for Mac; Excel Viewer; and Office Compatibility Pack SP2 and SP3 allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Stack Overflow Vulnerability."
- Record
EUVD-2012-2529- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-38pp-gx3m-25h5 No score
Stack-based buffer overflow in Microsoft Excel 2007 SP2 and SP3 and 2010 SP1; Office 2011 for Mac...
Stack-based buffer overflow in Microsoft Excel 2007 SP2 and SP3 and 2010 SP1; Office 2011 for Mac; Excel Viewer; and Office Compatibility Pack SP2 and SP3 allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Stack Overflow Vulnerability."
- Record
GHSA-38pp-gx3m-25h5- Weakness
- CWE-119
- 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-2012-2543 is a high vulnerability (CVSS 9.3) in Microsoft Excel, published November 14, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 26.2%, the 98th percentile. No source names a fixed version.
References
securityfocus.com/bid/56431
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15908
docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-076
us-cert.gov/cas/techalerts/TA12-318A.html
securitytracker.com/id?1027752
nvd.nist.gov/vuln/detail/CVE-2012-2543
github.com/advisories/GHSA-38pp-gx3m-25h5