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Fencer Vulns
high 7.5

CVE-2007-2495 json

Multiple stack-based buffer overflows in the ExcelOCX ActiveX control in ExcelViewer.ocx 3.1.0.6 allow remote attackers to cause a denial o…

published 2007-05-04 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-2488

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.0%
EPSS 4.0% chance of exploitation in 30 days, percentile 90%
public exploits
1
Exploit-DB

Summary

Multiple stack-based buffer overflows in the ExcelOCX ActiveX control in ExcelViewer.ocx 3.1.0.6 allow remote attackers to cause a denial of service (Internet Explorer 7 crash) via a long (1) DoOleCommand, (2) FTPDownloadFile, (3) FTPUploadFile, (4) HttpUploadFile, (5) Save, (6) SaveWebFile, (7) HttpDownloadFile, (8) Open, or (9) OpenWebFile property value. NOTE: some of these details are obtained from third party information.

Timeline

  1. First public exploit (EDB-3830)
  2. Published

Exploit prediction

3.96% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-3830 Excel Viewer OCX 3.1.0.6 - Multiple Denial of Service Vulnerabilities dos, 2007-05-02
  • securityfocus.com http://www.securityfocus.com/bid/23755 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns 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.