CVE-1999-0876

Buffer overflow in Internet Explorer 4.0 via EMBED tag.

Published: 2000-01-04 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-0876 is rated High Risk (68.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 24.14%, 96th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-1999-0876

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 35.34% 24.14% -11.19%
2 2025-03-29 24.14% 35.34% +11.19%
3 2025-03-19 — 24.14% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0876

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-1999-0876

Affected software / configurations for CVE-1999-0876

Vendor Product Version Raw CPE
microsoft ie 3.0 cpe:2.3:a:microsoft:ie:3.0:*:mac_os:*:*:*:*:*
microsoft ie 3.1 cpe:2.3:a:microsoft:ie:3.1:*:mac_os:*:*:*:*:*
microsoft ie 4.0 cpe:2.3:a:microsoft:ie:4.0:a:*:*:*:*:*:*
microsoft internet_explorer 4.0 cpe:2.3:a:microsoft:internet_explorer:4.0:*:*:*:*:*:*:*
microsoft internet_explorer 4.1 cpe:2.3:a:microsoft:internet_explorer:4.1:*:*:*:*:*:*:*

References for CVE-1999-0876

cvelogic Threat Intelligence