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Fencer Vulns
critical 9.3

CVE-2007-3897 in the critical feed json

Heap-based buffer overflow in Microsoft Outlook Express 6 and earlier, and Windows Mail for Vista, allows remote Network News Transfer Prot…

published 2007-10-09 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-3881

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
54.6%
EPSS 54.6% chance of exploitation in 30 days, percentile 99%
public exploits
0
none known

Summary

Heap-based buffer overflow in Microsoft Outlook Express 6 and earlier, and Windows Mail for Vista, allows remote Network News Transfer Protocol (NNTP) servers to execute arbitrary code via long NNTP responses that trigger memory corruption.

Patch / fix

Exploit prediction

54.63% chance of exploitation in the next 30 days, higher than 99% of all scored CVEs (FIRST EPSS, 2026-11-08).

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 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.