What’s Vulnerable › Vulnerabilities

CVE-1999-0224

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 16.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 1999-09-29 · updated 2026-06-16

Description

Denial of service in Windows NT messenger service through a long username.

Affected products

• Microsoft Windows Nt: 4.0, 4.0-sp1, 4.0-sp2, 4.0-sp3, 4.0-sp4, 4.0-sp5

References

• https://www.cve.org/CVERecord?id=CVE-1999-0224
• https://www.cve.org/CVERecord?id=CVE-1999-0224

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