CVE-2009-1926
CVSS Score Not Available
70.54%
HIGH RiskEPSS (99th percentile)
Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 allow remote attackers to cause a denial of service (TCP outage) via a series of TCP sessions that have pending data and a (1) small or (2) zero receive window size, and remain in the FIN-WAIT-1 or FIN-WAIT-2 state indefinitely, aka "TCP/IP Orphaned Connections Vulnerability."
Published: 9/8/2009
Modified: 4/9/2025
Vulnerability Summary
EPSS Score (Exploitation Probability)
70.54%HIGH Exploitation Risk
99th percentile
This vulnerability has a 70.54% probability of being exploited in the next 30 days, ranking higher than 99% of all scored CVEs.