What’s Vulnerable › Vulnerabilities

CVE-1999-0918

• Severity: high (CVSS 7.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 26.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2000-01-04 · updated 2026-06-16
• Weakness: CWE-20

Description

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

Affected products

• Microsoft Windows 2000: all versions
• Microsoft Windows 95: all versions
• Microsoft Windows 98: all versions
• Microsoft Windows Nt: 4.0, 4.0-sp1, 4.0-sp2, 4.0-sp3, 4.0-sp4, 4.0-sp5

References

• http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ238329
• http://www.securityfocus.com/bid/514
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-034
• http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ238329
• http://www.securityfocus.com/bid/514
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-034

Get alerted when CVE-1999-0918 or the next vulnerability affects your stack