Vulnerabilidades

Resumen — últimos 7 días

Vulnerabilidades nuevas2703▼ 615 respecto a la semana anterior
Críticas / altas1293▼ 208 respecto a la semana anterior
Nueva explotación activa (KEV)4▼ 5 respecto a la semana anterior
Sin puntuar (sin CVSS)291▼ 219 respecto a la semana anterior
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283 resultados, ordenados por fecha de publicación (más recientes primero)

CVEEstadoSeveridadEPSS Explotación activaTecnologías afectadasPublicada ▼Modificada Descripción
ModificadaAlta (7.2)1.6%—Microsoft Windows 2000Microsoft Windows 2003 ServerMicrosoft Windows NTMicrosoft Windows XP3/11/200416/6/2026
The Virtual DOS Machine (VDM) subsystem of Microsoft Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003 allows local users to access kernel memory and gain privileges via a malicious program that modified some system structures in a way that is not properly validated by privileged operating system…
ModificadaAlta (7.5)75%💥 ExploitMicrosoft Windows 2000Microsoft Windows 2003 ServerMicrosoft Windows 98Microsoft Windows NT+13/11/200416/6/2026
Network Dynamic Data Exchange (NetDDE) services for Microsoft Windows 98, Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003 allows attackers to remotely execute arbitrary code or locally gain privileges via a malicious message or application that involves an "unchecked buffer," possibly a buffer…
ModificadaAlta (7.5)19%—Microsoft Windows NT3/11/200416/6/2026
The RPC Runtime Library for Microsoft Windows NT 4.0 allows remote attackers to read active memory or cause a denial of service (system crash) via a malicious message, possibly related to improper length values.
ModificadaAlta (10)45%—Avaya Ip600 Media ServersAvaya Definity ONE Media ServerAvaya S8100Avaya Modular Messaging Message Storage Server+76/8/200416/6/2026
Heap-based buffer overflow in the HtmlHelp program (hh.exe) in HTML Help for Microsoft Windows 98, Me, NT 4.0, 2000, XP, and Server 2003 allows remote attackers to execute arbitrary commands via a .CHM file with a large length field, a different vulnerability than CVE-2003-1041.
AnalizadaAlta (7.8)7.2%⚠ Explotación activa💥 ExploitMicrosoft InterixMicrosoft Windows 2000Microsoft Windows NT6/8/200416/6/2026
The POSIX component of Microsoft Windows NT and Windows 2000 allows local users to execute arbitrary code via certain parameters, possibly by modifying message length values and causing a buffer overflow.
ModificadaAlta (10)64%💥 ExploitAvaya Ip600 Media ServersMicrosoft IEAvaya Definity ONE Media ServerAvaya S8100+46/8/200416/6/2026
Stack-based buffer overflow in the Task Scheduler for Windows 2000 and XP, and Internet Explorer 6 on Windows NT 4.0, allows local or remote attackers to execute arbitrary code via a .job file containing long parameters, as demonstrated using Internet Explorer and accessing a .job file on an anonymous share.
ModificadaAlta (7.8)27%—Microsoft Internet ExplorerMicrosoft OutlookMicrosoft Windows 98Microsoft Windows 98se+427/7/200416/6/2026
Double free vulnerability in mshtml.dll for certain versions of Internet Explorer 6.x allows remote attackers to cause a denial of service (application crash) via a malformed GIF image.
ModificadaBaja (2.6)22%—Microsoft Windows 2000Microsoft Windows 2003 ServerMicrosoft Windows NTMicrosoft Windows XP1/6/200416/6/2026
The DCOM RPC interface for Microsoft Windows NT 4.0, 2000, XP, and Server 2003 allows remote attackers to cause network communications via an "alter context" call that contains additional data, aka the "Object Identity Vulnerability."
ModificadaAlta (7.6)25%—Microsoft Windows 2000Microsoft Windows NTMicrosoft Windows XP1/6/200416/6/2026
Buffer overflow in the rendering for (1) Windows Metafile (WMF) or (2) Enhanced Metafile (EMF) image formats in Microsoft Windows NT 4.0 SP6a, 2000 SP2 through SP4, and XP SP1 allows remote attackers to execute arbitrary code via a malformed WMF or EMF image.
ModificadaAlta (7.5)81%💥 ExploitMicrosoft NetmeetingMicrosoft Windows 2000Microsoft Windows 2003 ServerMicrosoft Windows 98+31/6/200416/6/2026
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…
ModificadaMedia (5)40%—Microsoft Windows 2000Microsoft Windows 2003 ServerMicrosoft Windows NTMicrosoft Windows XP1/6/200416/6/2026
Buffer overflow in the COM Internet Services and in the RPC over HTTP Proxy components for Microsoft Windows NT Server 4.0, NT 4.0 Terminal Server Edition, 2000, XP, and Server 2003 allows remote attackers to cause a denial of service via a crafted request.
ModificadaAlta (7.5)30%—Microsoft Windows 2000Microsoft Windows 2003 ServerMicrosoft Windows 98Microsoft Windows 98se+31/6/200416/6/2026
Double free vulnerability in the ASN.1 library as used in Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003, allows remote attackers to cause a denial of service and possibly execute arbitrary code.
ModificadaAlta (7.2)22%—Microsoft Windows 2000Microsoft Windows NT1/6/200416/6/2026
The component for the Virtual DOS Machine (VDM) subsystem in Windows NT 4.0 and Windows 2000 does not properly validate system structures, which allows local users to access protected kernel memory and execute arbitrary code.
ModificadaAlta (7.5)85%💥 ExploitMicrosoft NetmeetingMicrosoft Windows 2000Microsoft Windows 2003 ServerMicrosoft Windows 98+31/6/200416/6/2026
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…
ModificadaAlta (7.5)33%—Microsoft Windows 2000Microsoft Windows NTMicrosoft Windows XP1/6/200416/6/2026
Buffer overflow in the Windows logon process (winlogon) in Microsoft Windows NT 4.0 SP6a, 2000 SP2 through SP4, and XP SP1, when a member of a domain, allows remote attackers to execute arbitrary code.
ModificadaAlta (7.2)26%💥 ExploitMicrosoft Windows 2000Microsoft Windows NT1/6/200416/6/2026
The NtSetLdtEntries function in the programming interface for the Local Descriptor Table (LDT) in Windows NT 4.0 and Windows 2000 allows local attackers to gain access to kernel memory and execute arbitrary code via an expand-down data segment descriptor descriptor that points to protected memory.
ModificadaMedia (5)8.4%💥 ExploitTrend Micro Interscan Viruswall FOR Windows NT24/3/200416/6/2026
Directory traversal vulnerability in Trend Micro Interscan Web Viruswall in InterScan VirusWall 3.5x allows remote attackers to read arbitrary files via a .. (dot dot) in the URL.
ModificadaAlta (9.3)12%—Microsoft Windows 2000Microsoft Windows 2003 ServerMicrosoft Windows NT3/3/200416/6/2026
The Windows Internet Naming Service (WINS) for Microsoft Windows Server 2003, and possibly Windows NT and Server 2000, does not properly validate the length of certain packets, which allows attackers to cause a denial of service and possibly execute arbitrary code.
ModificadaAlta (7.5)82%💥 ExploitMicrosoft Windows 2000Microsoft Windows 2003 ServerMicrosoft Windows NTMicrosoft Windows XP3/3/200416/6/2026
Multiple integer overflows in Microsoft ASN.1 library (MSASN1.DLL), as used in LSASS.EXE, CRYPT32.DLL, and other Microsoft executables and libraries on Windows NT 4.0, 2000, and XP, allow remote attackers to execute arbitrary code via ASN.1 BER encodings with (1) very large length fields that cause arbitrary heap data…
ModificadaAlta (7.2)3.4%💥 ExploitMicrosoft Windows NT31/12/200316/6/2026
Buffer overflow in cmd.exe in Windows NT 4.0 may allow local users to execute arbitrary code via a long pathname argument to the cd command.
ModificadaAlta (7.5)37%—Microsoft Windows 2000Microsoft Windows 2003 ServerMicrosoft Windows MEMicrosoft Windows NT+117/11/200316/6/2026
Stack-based buffer overflow in the PCHealth system in the Help and Support Center function in Windows XP and Windows Server 2003 allows remote attackers to execute arbitrary code via a long query in an HCP URL.
ModificadaAlta (7.2)43%💥 ExploitMicrosoft Windows 2000Microsoft Windows 2003 ServerMicrosoft Windows NTMicrosoft Windows XP17/11/200316/6/2026
Buffer overflow in a function in User32.dll on Windows NT through Server 2003 allows local users to execute arbitrary code via long (1) LB_DIR messages to ListBox or (2) CB_DIR messages to ComboBox controls in a privileged application.
ModificadaAlta (7.5)24%—Microsoft Windows 2000Microsoft Windows 2003 ServerMicrosoft Windows NTMicrosoft Windows XP17/11/200316/6/2026
The Authenticode capability in Microsoft Windows NT through Server 2003 does not prompt the user to download and install ActiveX controls when the system is low on memory, which could allow remote attackers to execute arbitrary code without user approval.
ModificadaAlta (7.5)61%💥 ExploitMicrosoft Windows 2000Microsoft Windows 2003 ServerMicrosoft Windows MEMicrosoft Windows NT+117/11/200316/6/2026
The Messenger Service for Windows NT through Server 2003 does not properly verify the length of the message, which allows remote attackers to execute arbitrary code via a buffer overflow attack.
ModificadaMedia (5.1)17%—Microsoft Windows 2000Microsoft Windows 98Microsoft Windows NTMicrosoft Windows Server 2003+117/11/200316/6/2026
A multi-threaded race condition in the Windows RPC DCOM functionality with the MS03-039 patch installed allows remote attackers to cause a denial of service (crash or reboot) by causing two threads to process the same RPC request, which causes one thread to use memory after it has been freed, a different vulnerability…