CVE-2009-1926

Published: Sep 8, 2009Modified: Apr 23, 2026

7.8

Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability: 10.0 / Impact: 6.9

Source: NVD

Description

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."

Affected (17)

Products: Microsoft: Windows 2000, Windows Server 2003, Windows Server 2008, Windows Vista, Windows Xp

5 products

Configuration A

17 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 2000	All versions
Microsoft Windows Server 2003	All versions
Microsoft Windows Server 2008	All versions
Microsoft Windows Server 2008	All versions
Microsoft Windows Server 2008	All versions
Microsoft Windows Server 2008	All versions
Microsoft Windows Server 2008	All versions
Microsoft Windows Server 2008	All versions
Microsoft Windows Vista	All versions
Microsoft Windows Vista	All versions
Microsoft Windows Vista	All versions
Microsoft Windows Vista	All versions
Microsoft Windows Vista	All versions
Microsoft Windows Vista	All versions
Microsoft Windows Xp	All versions
Microsoft Windows Xp	All versions
Microsoft Windows Xp	All versions