What is CVE-1999-0468?

CVE-1999-0468 is a high-severity vulnerability in Microsoft Internet Explorer, classified under Information Disclosure. CVSS score: 8.2/10. Published 1999-04-09.

How severe is CVE-1999-0468?

High severity. CVSS v3 base score is 8.2 out of 10.

Information disclosure in Microsoft Internet Explorer

CVE-1999-0468

Internet Explorer 5.0 allows a remote server to read arbitrary files on the client's file system using the Microsoft Scriptlet Component.

Vulnerability class: Information Disclosure

Published 1999-04-09 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.032 (87.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: -0.000

Affected products

Microsoft Internet Explorer — versions 5.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-012 (vendor-advisory)

Frequently asked questions

What is CVE-1999-0468?: CVE-1999-0468 is a high-severity vulnerability in Microsoft Internet Explorer, classified under Information Disclosure. CVSS score: 8.2/10. Published 1999-04-09.
How severe is CVE-1999-0468?: High severity. CVSS v3 base score is 8.2 out of 10.