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Fencer Vulns
high 7.5

CVE-1999-0331 json

Buffer overflow in Internet Explorer 4.0(1).

published 1998-01-01 28 y ago modified 2026-06-16 4 mo ago also EUVD-1999-0331

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.0%
EPSS 5.0% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Buffer overflow in Internet Explorer 4.0(1).

Exploit prediction

4.99% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

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.