CVE-1999-0387

Name: CVE-1999-0387
Creator: NVD / NIST
Published: 1999-11-29T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 7.92%

Last modified Jun 16, 2026

CVE-1999-0387 is a vulnerability of currently unknown severity. A legacy credential caching mechanism used in Windows 95 and Windows 98 systems allows attackers to read plaintext network passwords.. EPSS estimates a 7.92% chance of exploitation in the next 30 days.

Description

A legacy credential caching mechanism used in Windows 95 and Windows 98 systems allows attackers to read plaintext network passwords.

Metrics

EPSS Probability

7.92%

94.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-255

Affected Software

Vendor	Product	Versions	Update
Microsoft	Windows 95	All versions	—
Microsoft	Windows 98	All versions	Gold

References

Timeline

Published: Nov 29, 1999
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-1999-0387?

A legacy credential caching mechanism used in Windows 95 and Windows 98 systems allows attackers to read plaintext network passwords.

How severe is CVE-1999-0387?

Severity scoring for CVE-1999-0387 is pending analysis. The EPSS model estimates a 7.92% probability of exploitation in the next 30 days.

How do I fix CVE-1999-0387?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-1999-0387?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST