What is CVE-1999-0793?

CVE-1999-0793 is a vulnerability in Microsoft Internet Explorer. Published 1999-11-17.

Is CVE-1999-0793 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Microsoft Internet Explorer

CVE-1999-0793

Internet Explorer allows remote attackers to read files by redirecting data to a Javascript applet.

Published 1999-11-17 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 2.6 (Low). Vector: AV:N/AC:H/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.133 (96.3th percentile), scored 2026-09-29.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.133 · newest: 0.133 · change: 0.000

Affected products

Microsoft Internet Explorer — versions 4.0.1, 5.0

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-043 (vendor-advisory)

Frequently asked questions

What is CVE-1999-0793?: CVE-1999-0793 is a vulnerability in Microsoft Internet Explorer. Published 1999-11-17.
Is CVE-1999-0793 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.