Stack-based buffer overflow in certain Active Directory service functions in LSASRV.DLL of the Local Security Authority Subsystem Service (LSASS) in Microsoft Windows NT 4.0 SP6a, 2000 SP2 through SP4, XP SP1, Server 2003, NetMeeting, Windows 98, and Windows ME, allows remote attackers to execute arbitrary code via a packet that causes the DsRolerUpgradeDownlevelServer function to create long debug entries for the DCPROMO.LOG log file, as exploited by the Sasser worm.

Buffer overflow in the Private Communications Transport (PCT) protocol implementation in the Microsoft SSL library, as used in Microsoft Windows NT 4.0 SP6a, 2000 SP2 through SP4, XP SP1, Server 2003, NetMeeting, Windows 98, and Windows ME, allows remote attackers to execute arbitrary code via PCT 1.0 handshake packets.

Unknown vulnerability in the H.323 protocol implementation in Windows 98, Windows 2000, Windows XP, and Windows Server 2003 allows remote attackers to execute arbitrary code.

Microsoft NetMeeting 2.1 allows one client to read the contents of another client's clipboard via a CTRL-C in the chat box when the box is empty.

Buffer overflow in NetMeeting allows denial of service and remote command execution.