CVE-1999-0827

Low

Published: 01/11/1999(UTC)Updated: 16/06/2026(UTC)Translated: 18/06/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Very high risk

4.69%

91th percentile — higher than 91% of all known CVEs

By default, Internet Explorer 5.0 and other versions enable the 'Navigate sub-frames across different domains' option, which allows frame spoofing.

The ability to spoof frames can lead to user data theft or manipulation of content displayed in the browser.

It is recommended to disable the 'Navigate sub-frames across different domains' option in the browser settings.

Original NVD description (English source)

By default, Internet Explorer 5.0 and other versions enables the "Navigate sub-frames across different domains" option, which allows frame spoofing.