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Fencer Vulns
critical 9.3

CVE-2007-1749 in the critical feed json

Integer underflow in the CDownloadSink class code in the Vector Markup Language (VML) component (VGX.DLL), as used in Internet Explorer 5.0…

published 2007-08-14 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-1743

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
41.5%
EPSS 41.5% chance of exploitation in 30 days, percentile 98%
public exploits
1
Exploit-DB

Summary

Integer underflow in the CDownloadSink class code in the Vector Markup Language (VML) component (VGX.DLL), as used in Internet Explorer 5.01, 6, and 7 allows remote attackers to execute arbitrary code via compressed content with an invalid buffer size, which triggers a heap-based buffer overflow.

Patch / fix

Timeline

  1. First public exploit (EDB-30494)
  2. Published

Exploit prediction

41.55% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-30494 Microsoft Internet Explorer 5.0.1 - Vector Markup Language 'VGX.dll' Remote Buffer Overflow dos, 2007-08-14

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

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.