Every CVE Search/ Get API key

CVE-1999-0224

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

5.0 MediumPublic exploit

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

Exploit likelihood

16.8%Up 5.5 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

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

Record
CVE-1999-0224
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Updated
2026-11-02
CVE List No score

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

Record
CVE-1999-0224
Updated
2026-11-02
EUVDEUVD-1999-0224 No score

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

Record
EUVD-1999-0224
Updated
2026-11-03
GitHub AdvisoriesGHSA-fv32-cgq9-979v No score

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

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

Record
GHSA-fv32-cgq9-979v
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBMicrosoft Windows NT - Crash with an Extra Long 'Username' Denial of Service1997-04-01

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-1999-0224 is a medium vulnerability (CVSS 5.0) in Microsoft Windows Nt, published July 23, 1999. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 16.8%, the 97th percentile. No source names a fixed version.

References

MoveEnter Open