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Vulnerability record · CVE-2002-1183 · published 11 December 2002

CVE-2002-1183: Microsoft windows 98 vulnerability

Microsoft · Windows 98

Microsoft Windows 98 and Windows NT 4.0 do not properly verify the Basic Constraints of digital certificates, allowing remote attackers to execute code, aka "New Variant of Certificate Validation Flaw Could Enable Identity Spoofing" (CAN-2002-0862).

7.5 CVSS 2.0 High EPSS 19% · top 2.7%
7.5CVSS 2.0 base score
19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
12References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Microsoft Windows 98 and Windows NT 4.0 do not properly verify the Basic Constraints of digital certificates, allowing remote attackers to execute code, aka "New Variant of Certificate Validation Flaw Could Enable Identity Spoofing" (CAN-2002-0862).

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2002-1183), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.