$ cve CVE-1999-0918 JSON

CVE-1999-0918 EXPLOIT

7.8

HIGH · CVSS 2.0 · EPSS 26.4% (pctl 98)

Patch early

A public exploit exists.

Description

Denial of service in various Windows systems via malformed, fragmented IGMP packets.

Scoring

CVSS	7.8 (HIGH, v2.0)
Vector	AV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS	26.44% — more likely to be exploited than 98% of all CVEs
Weakness	CWE-20
On CISA KEV	no
Public exploit	yes
Published	1999-07-03
Last modified	2026-06-16

Affected (4)

Vendor	Product
microsoft	windows 2000
microsoft	windows 95
microsoft	windows 98
microsoft	windows nt

Public exploits

Source	Title	Date
exploit-db	Microsoft Windows 95/98 / NT Enterprise Server 4.0 SP5 / NT Terminal Server 4.0 SP4 / NT Workstation 4.0 SP5 - Denial of Service (1)	1999-07-03
exploit-db	Microsoft Windows 95/98 / NT Enterprise Server 4.0 SP5 / NT Terminal Server 4.0 SP4 / NT Workstation 4.0 SP5 - Denial of Service (2)	1999-07-03
exploit-db	Microsoft Windows 95/98 / NT Enterprise Server 4.0 SP5 / NT Terminal Server 4.0 SP4 / NT Workstation 4.0 SP5 - Denial of Service (3)	1999-04-06

References

→ the Explorer · watch your stack · NVD