CVE-1999-0347
Internet Explorer 4.01 allows remote attackers to read local files and spoof web pages via a "%01...
Internet Explorer 4.01 allows remote attackers to read local files and spoof web pages via a "%01" character in an "about:" Javascript URL, which causes Internet Explorer to use the domain specified after the character.
Exploit likelihood
What each source reports
NVD Score used
10.0
Internet Explorer 4.01 allows remote attackers to read local files and spoof web pages via a "%01" character in an "about:" Javascript URL, which causes Internet Explorer to use the domain specified after the character.
- Record
CVE-1999-0347- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
Internet Explorer 4.01 allows remote attackers to read local files and spoof web pages via a "%01" character in an "about:" Javascript URL, which causes Internet Explorer to use the domain specified after the character.
- Record
CVE-1999-0347- Updated
- 2026-11-02
EUVDEUVD-1999-0347 No score
Internet Explorer 4.01 allows remote attackers to read local files and spoof web pages via a "%01" character in an "about:" Javascript URL, which causes Internet Explorer to use the domain specified after the character.
- Record
EUVD-1999-0347- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mpqm-r86r-845w No score
Internet Explorer 4.01 allows remote attackers to read local files and spoof web pages via a "%01...
Internet Explorer 4.01 allows remote attackers to read local files and spoof web pages via a "%01" character in an "about:" Javascript URL, which causes Internet Explorer to use the domain specified after the character.
- Record
GHSA-mpqm-r86r-845w- Updated
- 2026-11-02
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Internet Explorer 5.0.1 - Invalid Byte Cross-Frame Access | 1999-01-28 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-1999-0347 is a high vulnerability (CVSS 10.0), published January 26, 1999. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 7.46%, the 94th percentile. No source names a fixed version.