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Fencer Intel
critical 9.3

CVE-2011-0978 in the critical feed json

Stack-based buffer overflow in Microsoft Excel 2002 SP3, 2003 SP3, and 2007 SP2; Office 2004 for Mac; Excel Viewer SP2; and Office Compatib…

published 2011-02-10 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-0990

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
42.6%
EPSS 42.6% chance of exploitation in 30 days, percentile 98%
public exploits
1
Exploit-DB

Summary

Stack-based buffer overflow in Microsoft Excel 2002 SP3, 2003 SP3, and 2007 SP2; Office 2004 for Mac; Excel Viewer SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 allows remote attackers to execute arbitrary code via vectors related to an axis properties record, and improper incrementing of an array index, aka "Excel Array Indexing Vulnerability."

Timeline

  1. Published
  2. First public exploit (EDB-17227)

Exploit prediction

42.56% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-17227 Microsoft Excel - Axis Properties Record Parsing Buffer Overflow (PoC) (MS11-02) dos, 2011-04-29

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

Sources

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.