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Fencer Vulns
low 2.6

CVE-1999-0871 json

Internet Explorer 4.0 and 4.01 allow a remote attacker to read files via IE's cross frame security, aka the "Cross Frame Navigate" vulnerab…

published 1998-09-04 28 y ago modified 2026-06-16 4 mo ago also EUVD-1999-0852

cvss
2.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
12.1%
EPSS 12.1% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

Internet Explorer 4.0 and 4.01 allow a remote attacker to read files via IE's cross frame security, aka the "Cross Frame Navigate" vulnerability.

Exploit prediction

12.07% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 2.6 AV:N/AC:H/Au:N/C:P/I:N/A:N

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.