CVE-2012-2543 in the critical feed json
Stack-based buffer overflow in Microsoft Excel 2007 SP2 and SP3 and 2010 SP1; Office 2011 for Mac; Excel Viewer; and Office Compatibility P…
published 2012-11-14 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-2529
- cvss
- 9.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 26.2%
- EPSS 26.2% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
Summary
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 prediction
26.20% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/2012/ms12-076
vendor-advisory
-
securityfocus.com
/bid/56431
vdb-entry
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15908
vdb-entry, signature
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15737
vdb-entry, signature
-
us-cert.gov
/cas/techalerts/TA12-318A.html
third-party-advisory, us-government-resource
-
securitytracker.com
/id?1027752
vdb-entry
Sources
- CVE List CVE-2012-2543
- NVD CVE-2012-2543
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.