Vulnerabilidades

Resumen — últimos 7 días

Vulnerabilidades nuevas3082▲ 502 respecto a la semana anterior
Críticas / altas1460▲ 59 respecto a la semana anterior
Nueva explotación activa (KEV)5▼ 1 respecto a la semana anterior
Sin puntuar (sin CVSS)238▲ 224 respecto a la semana anterior
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16.783 resultados, ordenados por fecha de publicación (más recientes primero)

CVEEstadoSeveridadEPSS Explotación activaTecnologías afectadasPublicada ▼Modificada Descripción
AnalizadaAlta (7.8)0.47%—Microsoft 365 AppsMicrosoft ExcelMicrosoft 365Microsoft Office 2019+314/7/202616/7/2026
Un uso después de liberar (use-after-free) en Microsoft Office Excel permite a un atacante no autorizado ejecutar código localmente.
AnalizadaAlta (7.8)0.47%—Microsoft 365 AppsMicrosoft ExcelMicrosoft 365Microsoft Office 2019+314/7/202616/7/2026
Un desbordamiento de búfer basado en pila en Microsoft Office Excel permite a un atacante no autorizado ejecutar código localmente.
AnalizadaAlta (7.1)0.22%—Microsoft Windows 11 24h2Microsoft Windows 11 25h2Microsoft Windows 11 26h1Microsoft Windows Server 2022+114/7/202621/7/2026
Missing cryptographic step in Windows CryptoAPI allows an authorized attacker to perform tampering locally.
AnalizadaAlta (7.8)0.30%—Microsoft Remote Help14/7/202624/7/2026
Improper access control in Windows Remote Help Defense allows an authorized attacker to elevate privileges locally.
AnalizadaAlta (7.8)0.47%—Microsoft Malware Protection Engine14/7/202624/7/2026
Integer overflow or wraparound in Microsoft Defender allows an unauthorized attacker to execute code locally.
AnalizadaAlta (7.8)0.47%—Microsoft Malware Protection Engine14/7/202624/7/2026
Integer underflow (wrap or wraparound) in Microsoft Defender allows an unauthorized attacker to execute code locally.
AnalizadaAlta (7.8)2.5%—Microsoft Exchange ServerMicrosoft Exchange Server Subscription Edition14/7/202624/7/2026
Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.
AnalizadaCrítica (9.6)0.86%—Microsoft Exchange ServerMicrosoft Exchange Server Subscription Edition14/7/202624/7/2026
Neutralización incorrecta de la entrada durante la generación de páginas web ('secuencias de comandos en sitios cruzados') en Microsoft Exchange Server permite a un atacante no autorizado realizar suplantación (spoofing) a través de una red.
AnalizadaAlta (7.8)0.30%—Microsoft Exchange ServerMicrosoft Exchange Server Subscription Edition14/7/202624/7/2026
Insufficient granularity of access control in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.
AnalizadaAlta (8.8)1.0%—Microsoft Exchange ServerMicrosoft Exchange Server Subscription Edition14/7/202624/7/2026
Heap-based buffer overflow in Microsoft Exchange Server allows an authorized attacker to execute code over a network.
AnalizadaAlta (7.8)0.33%—Microsoft Windows 10 1607Microsoft Windows 10 1809Microsoft Windows 10 21h2Microsoft Windows 10 22h2+814/7/202624/7/2026
Double free in Microsoft Printer Drivers allows an authorized attacker to elevate privileges locally.
AnalizadaMedia (6.5)0.92%—Microsoft Windows 10 1607Microsoft Windows 10 1809Microsoft Windows 10 21h2Microsoft Windows 10 22h2+814/7/202624/7/2026
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
ModificadaAlta (8.8)0.91%—Microsoft SQL Server 2016Microsoft SQL Server 2017Microsoft SQL Server 2019Microsoft SQL Server 2022+114/7/20264/8/2026
External control of file name or path in SQL Server allows an authorized attacker to elevate privileges over a network.
AnalizadaAlta (7.8)0.30%—Microsoft Windows 10 1607Microsoft Windows 10 1809Microsoft Windows Server 2016Microsoft Windows Server 2019+214/7/202624/7/2026
Improper certificate validation in Windows Active Directory allows an authorized attacker to elevate privileges locally.
AnalizadaMedia (6.4)0.34%—Microsoft Windows 11 24h2Microsoft Windows 11 25h2Microsoft Windows 11 26h1Microsoft Windows Server 202514/7/202624/7/2026
Use after free in Windows USB Print Driver allows an unauthorized attacker to elevate privileges with a physical attack.
AnalizadaAlta (8.8)0.41%—Microsoft Windows 10 1607Microsoft Windows 10 1809Microsoft Windows 10 21h2Microsoft Windows 10 22h2+814/7/202624/7/2026
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an unauthorized attacker to execute code over an adjacent network.
AnalizadaMedia (5.5)0.40%—Microsoft Windows 10 1607Microsoft Windows 10 1809Microsoft Windows 10 21h2Microsoft Windows 10 22h2+814/7/202620/7/2026
Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally.
AnalizadaAlta (7)0.20%—Microsoft Windows 11 24h2Microsoft Windows 11 25h2Microsoft Windows 11 26h1Microsoft Windows Server 202514/7/202620/7/2026
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.
AnalizadaCrítica (9.8)0.79%—Microsoft Windows 10 1607Microsoft Windows 10 1809Microsoft Windows 10 21h2Microsoft Windows 10 22h2+814/7/202620/7/2026
Un uso después de liberar (use-after-free) en Reliable Multicast Transport Driver (RMCAST) permite a un atacante no autorizado ejecutar código a través de una red.
AnalizadaAlta (7.8)0.47%—Microsoft Windows 10 1809Microsoft Windows 10 21h2Microsoft Windows 10 22h2Microsoft Windows 11 24h2+514/7/202620/7/2026
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally.
AnalizadaAlta (7.8)0.34%💥 PoCMicrosoft Windows 10 1607Microsoft Windows 10 1809Microsoft Windows 10 21h2Microsoft Windows 10 22h2+814/7/202620/7/2026
Heap-based buffer overflow in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute code locally.
AnalizadaAlta (7)0.21%—Microsoft Windows 11 24h2Microsoft Windows 11 25h2Microsoft Windows 11 26h1Microsoft Windows Server 202514/7/202620/7/2026
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.
AnalizadaAlta (8.8)0.82%—Microsoft Windows 11 24h2Microsoft Windows 11 25h2Microsoft Windows 11 26h1Microsoft Windows Server 202514/7/202622/7/2026
Un desbordamiento de búfer basado en montículo (heap) en Remote Desktop Client permite a un atacante no autorizado ejecutar código a través de una red.
AnalizadaAlta (7.8)0.28%—Microsoft Windows 10 1607Microsoft Windows 10 1809Microsoft Windows 10 21h2Microsoft Windows 10 22h2+814/7/202623/7/2026
Use after free in Quality Windows Audio/Video Experience (QWAVE) service allows an authorized attacker to elevate privileges locally.
AnalizadaMedia (6.1)0.46%—Microsoft 365 AppsMicrosoft ExcelMicrosoft 365Microsoft Office 2019+314/7/202616/7/2026
Una lectura fuera de límites en Microsoft Office Excel permite a un atacante no autorizado divulgar información localmente.