What is CVE-1999-0876?

CVE-1999-0876 is a vulnerability in Microsoft Ie, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2000-01-04.

Is CVE-1999-0876 known to be exploited?

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

Buffer overflow in Microsoft Ie

CVE-1999-0876

Buffer overflow in Internet Explorer 4.0 via EMBED tag.

Vulnerability class: Buffer Overflow

Published 2000-01-04 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 10.0 (High). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.057 (92.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.057 · newest: 0.057 · change: 0.000

Affected products

Microsoft Ie — versions 3.0, 3.1, 4.0
Microsoft Internet Explorer — versions 4.0, 4.1

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

support.microsoft.com/default.aspx (vendor-advisory)
support.microsoft.com/support/kb/articles/q176/6/97.asp (vendor-advisory)

Frequently asked questions

What is CVE-1999-0876?: CVE-1999-0876 is a vulnerability in Microsoft Ie, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2000-01-04.
Is CVE-1999-0876 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.