Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-1999-0876

29
FAUCET Score

CVE-1999-0876 describes a critical buffer overflow vulnerability in Microsoft Internet Explorer 4.0, specifically exploitable via a crafted EMBED tag. This flaw carries a maximum CVSS score of 10.0, indicating a highly severe risk with no authentication required, low attack complexity, and complete compromise of confidentiality, integrity, and availability. Despite its age and high severity, there is no evidence of active exploitation, publicly available exploit code in common databases like Metasploit or ExploitDB, nor significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:a:microsoft:ie:3.0:*:mac_os:*:*:*:*:*
3.1CPE matchmatch criteria
cpe:2.3:a:microsoft:ie:3.1:*:mac_os:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:microsoft:ie:4.0:a:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:4.0:*:*:*:*:*:*:*
4.1CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:4.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.74%
Probability of exploitation in next 30 days
EPSS Percentile
92.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0574 is in the 87th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

support.microsoft.com / default.aspx
support.microsoft.com / support/kb/articles/q176/6/97.asp