The Windows NT guest account is enabled.

The Windows NT RPC service allows remote attackers to conduct a denial of service using spoofed malformed RPC packets which generate an error message that is sent to the spoofed host, potentially setting up a loop, aka Snork.

Cisco PIX firewall manager (PFM) on Windows NT allows attackers to connect to port 8080 on the PFM server and retrieve any file whose name and location is known.

The WINS server in Microsoft Windows NT 4.0 before SP4 allows remote attackers to cause a denial of service (process termination) via invalid UDP frames to port 137 (NETBIOS Name Service), as demonstrated via a flood of random packets.

Windows NT 3.51 and 4.0 running WINS (Windows Internet Name Service) allows remote attackers to cause a denial of service (resource exhaustion) via a flood of malformed packets, which causes the server to slow down and fill the event logs with error messages.

Windows NT 4.0 allows remote attackers to cause a denial of service via a malformed SMB logon request in which the actual data size does not match the specified size.

Some web servers under Microsoft Windows allow remote attackers to bypass access restrictions for files with long file names.

Memory leak in Simple Network Management Protocol (SNMP) agent (snmp.exe) for Windows NT 4.0 before Service Pack 4 allows remote attackers to cause a denial of service (memory consumption) via a large number of SNMP packets with Object Identifiers (OIDs) that cannot be decoded.

Buffer overflow in the HTML library used by Internet Explorer, Outlook Express, and Windows Explorer via the res: local resource protocol.

HP-UX 9.x and 10.x running X windows may allow local attackers to gain privileges via (1) vuefile, (2) vuepad, (3) dtfile, or (4) dtpad, which do not authenticate users.

The PATH in Windows NT includes the current working directory (.), which could allow local users to gain privileges by placing Trojan horse programs with the same name as commonly used system programs into certain directories.

Windows NT 4.0 before SP3 allows remote attackers to bypass firewall restrictions or cause a denial of service (crash) by sending improperly fragmented IP packets without the first fragment, which the TCP/IP stack incorrectly reassembles into a valid session.

Windows 95/NT out of band (OOB) data denial of service through NETBIOS port, aka WinNuke.

Denial of service in Windows NT DNS servers by flooding port 53 with too many characters.

Access violation in LSASS.EXE (LSA/LSARPC) program in Windows NT allows a denial of service.

Symantec Norton Utilities 2.0 for Windows 95 marks the TUNEOCX.OCX ActiveX control as safe for scripting, which allows remote attackers to execute arbitrary commands via the run option through malicious web pages that are accessed by browsers such as Internet Explorer 3.0.

Windows NT 4.0 SP2 allows remote attackers to cause a denial of service (crash), possibly via malformed inputs or packets, such as those generated by a Linux smbmount command that was compiled on the Linux 2.0.29 kernel but executed on Linux 2.0.25.

Internet Explorer 3.01 on Windows 95 allows remote malicious web sites to execute arbitrary commands via a .isp file, which is automatically downloaded and executed without prompting the user.

Denial of service in RPCSS.EXE program (RPC Locator) in Windows NT.

Windows NT crashes or locks up when a Samba client executes a "cd .." command on a file share.