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-2002-1183

37
FAUCET Score

CVE-2002-1183 describes a critical vulnerability in Microsoft Windows 98 and Windows NT 4.0 where the operating systems fail to properly validate the Basic Constraints of digital certificates, enabling remote attackers to execute arbitrary code. This flaw, also known as "New Variant of Certificate Validation Flaw Could Enable Identity Spoofing," carries a CVSS score of 7.5, indicating a high severity with a low attack complexity and potential for complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation in the wild or Metasploit/Nuclei modules, an ExploitDB entry exists for a related certificate chain validation issue. Despite its age and lack of current community discussion or media coverage, the vulnerability's high FAUCET Risk Score of 94/100 underscores its potential danger in unpatched legacy environments.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_98:*:gold:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_98se:*:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
19.34%
Probability of exploitation in next 30 days
EPSS Percentile
97.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-21692 · Aug 6, 2002
This CVE's current EPSS score of 0.1934 is in the 96th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

docs.microsoft.com / en-us/security-updates/securitybulletins/2002/ms02-050
exchange.xforce.ibmcloud.com / vulnerabilities/9776
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1059
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1455
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2108
securityfocus.com / bid/5410
ExploitPatchVendor Advisory