CVE-1999-1447
Internet Explorer 4.0 allows remote attackers to cause a denial of service (crash) via HTML code...
Internet Explorer 4.0 allows remote attackers to cause a denial of service (crash) via HTML code that contains a long CLASSID parameter in an OBJECT tag.
Exploit likelihood
What each source reports
NVD Score used
Internet Explorer 4.0 allows remote attackers to cause a denial of service (crash) via HTML code that contains a long CLASSID parameter in an OBJECT tag.
- Record
CVE-1999-1447- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
Internet Explorer 4.0 allows remote attackers to cause a denial of service (crash) via HTML code that contains a long CLASSID parameter in an OBJECT tag.
- Record
CVE-1999-1447- Updated
- 2026-11-02
EUVDEUVD-1999-1428 No score
Internet Explorer 4.0 allows remote attackers to cause a denial of service (crash) via HTML code that contains a long CLASSID parameter in an OBJECT tag.
- Record
EUVD-1999-1428- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-45vh-w274-3hx8 No score
Internet Explorer 4.0 allows remote attackers to cause a denial of service (crash) via HTML code...
Internet Explorer 4.0 allows remote attackers to cause a denial of service (crash) via HTML code that contains a long CLASSID parameter in an OBJECT tag.
- Record
GHSA-45vh-w274-3hx8- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-1999-1447 is a medium vulnerability (CVSS 5.0) in Microsoft Internet Explorer, published July 28, 1998. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 13.3%, the 96th percentile. No source names a fixed version.