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Fencer Vulns
critical 9.3

CVE-2007-2223 in the critical feed json

Microsoft XML Core Services (MSXML) 3.0 through 6.0 allows remote attackers to execute arbitrary code via the substringData method on a (1)…

published 2007-08-14 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-2218

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
48.7%
EPSS 48.7% chance of exploitation in 30 days, percentile 98%
public exploits
1
Exploit-DB

Summary

Microsoft XML Core Services (MSXML) 3.0 through 6.0 allows remote attackers to execute arbitrary code via the substringData method on a (1) TextNode or (2) XMLDOM object, which causes an integer overflow that leads to a buffer overflow.

Patch / fix

Timeline

  1. First public exploit (EDB-30493)
  2. Published

Exploit prediction

48.72% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-30493 Microsoft XML Core Services 6.0 - SubstringData Integer Overflow remote, 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

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-190 Integer Overflow or Wraparound

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.