Vulnerabilidades

Resumen — últimos 7 días

Vulnerabilidades nuevas3500▲ 853 respecto a la semana anterior
Críticas / altas1670▲ 274 respecto a la semana anterior
Nueva explotación activa (KEV)5→ sin cambios respecto a la semana anterior
Sin puntuar (sin CVSS)256▲ 244 respecto a la semana anterior
–

18.403 resultados, ordenados por fecha de publicación (más recientes primero)

CVEEstadoSeveridadEPSS Explotación activaTecnologías afectadasPublicada ▼Modificada Descripción
ModificadaAlta (7.8)0.33%💥 PoCMicrosoft Windows 11 24h2Microsoft Windows 11 25h2Microsoft Windows 11 26h1Microsoft Windows Server 202512/5/202626/6/2026
Un desbordamiento de búfer basado en montículo (heap) en Windows Kernel permite a un atacante autorizado elevar privilegios localmente.
AnalizadaAlta (8)2.1%—Microsoft Sharepoint Server12/5/202617/6/2026
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
ModificadaAlta (8.4)0.45%—Microsoft 365 AppsMicrosoft OfficeMicrosoft Office Long Term Servicing ChannelMicrosoft Sharepoint Server+112/5/202617/6/2026
Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally.
ModificadaAlta (8.4)0.36%—Microsoft 365 AppsMicrosoft OfficeMicrosoft Office Long Term Servicing ChannelMicrosoft Word12/5/202617/6/2026
Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally.
ModificadaAlta (8.8)1.1%—Microsoft Sharepoint Server12/5/202617/6/2026
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
AnalizadaAlta (8.4)0.36%—Microsoft 365 AppsMicrosoft OfficeMicrosoft Office Long Term Servicing ChannelMicrosoft Word12/5/202617/6/2026
Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally.
AnalizadaAlta (8.4)0.36%—Microsoft 365 AppsMicrosoft 365 CopilotMicrosoft OfficeMicrosoft Office Long Term Servicing Channel12/5/202617/6/2026
Un desbordamiento de búfer basado en montículo (heap) en Microsoft Office permite a un atacante no autorizado ejecutar código localmente.
ModificadaAlta (7.8)0.47%—Microsoft 365 AppsMicrosoft ExcelMicrosoft OfficeMicrosoft Office Long Term Servicing Channel+112/5/202617/6/2026
Un uso después de liberar (use-after-free) en Microsoft Office Excel permite a un atacante no autorizado ejecutar código localmente.
ModificadaAlta (8.4)0.36%—Microsoft 365 AppsMicrosoft OfficeMicrosoft Office Long Term Servicing ChannelMicrosoft Word12/5/202617/6/2026
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
AnalizadaAlta (7.8)0.47%—Microsoft 365 AppsMicrosoft ExcelMicrosoft OfficeMicrosoft Office Long Term Servicing Channel+112/5/202617/6/2026
Una lectura fuera de límites en Microsoft Office Excel permite a un atacante no autorizado divulgar información localmente.
AnalizadaAlta (7.8)0.47%—Microsoft 365 AppsMicrosoft ExcelMicrosoft OfficeMicrosoft Office Long Term Servicing Channel+112/5/202617/6/2026
Un uso después de liberar (use-after-free) en Microsoft Office Excel permite a un atacante no autorizado ejecutar código localmente.
ModificadaAlta (8.4)0.36%—Microsoft 365 AppsMicrosoft OfficeMicrosoft Office Long Term Servicing Channel12/5/202617/6/2026
Un desbordamiento de búfer basado en montículo (heap) en Microsoft Office permite a un atacante no autorizado ejecutar código localmente.
AnalizadaAlta (8.8)2.3%—Microsoft Sharepoint Server12/5/202617/6/2026
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
AnalizadaMedia (5.5)0.55%—Microsoft 365 AppsMicrosoft OfficeMicrosoft Office Long Term Servicing ChannelMicrosoft Word12/5/202617/6/2026
Files or directories accessible to external parties in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
AnalizadaAlta (8.8)2.3%—Microsoft Sharepoint Server12/5/202617/6/2026
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
AnalizadaAlta (8.3)0.63%—Microsoft Windows Admin Center12/5/202617/6/2026
Missing authorization in Windows Admin Center allows an authorized attacker to elevate privileges over a network.
ModificadaAlta (8.8)0.30%—Microsoft 365 AppsMicrosoft OfficeMicrosoft Office Long Term Servicing Channel12/5/202617/6/2026
Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.
ModificadaAlta (7.3)0.57%—Microsoft .net FrameworkMicrosoft .net12/5/202615/7/2026
Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.
ModificadaMedia (4.3)0.70%—Microsoft Edge12/5/202617/6/2026
User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
AnalizadaAlta (7.5)1.2%—Microsoft Windows 10 1607Microsoft Windows 10 1809Microsoft Windows 10 21h2Microsoft Windows 10 22h2+1012/5/202617/6/2026
Missing release of memory after effective lifetime in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.
AnalizadaMedia (5.4)0.68%—Microsoft Windows 10 1607Microsoft Windows 10 1809Microsoft Windows 10 21h2Microsoft Windows 10 22h2+1012/5/202617/6/2026
Out-of-bounds read in Telnet Client allows an unauthorized attacker to disclose information over a network.
AnalizadaMedia (6.5)0.64%—Microsoft Windows 10 1607Microsoft Windows 10 1809Microsoft Windows 10 21h2Microsoft Windows 10 22h2+1012/5/202617/6/2026
Authentication bypass using an alternate path or channel in Windows TCP/IP allows an authorized attacker to bypass a security feature over a network.
AnalizadaAlta (7.8)0.47%—Microsoft Windows 10 1607Microsoft Windows 10 1809Microsoft Windows 10 21h2Microsoft Windows 10 22h2+1012/5/202617/6/2026
Heap-based buffer overflow in Windows GDI allows an unauthorized attacker to execute code locally.
AnalizadaAlta (7.8)0.33%—Microsoft Windows Server 2012Microsoft Windows Server 2016Microsoft Windows Server 2019Microsoft Windows Server 2022+212/5/202617/6/2026
Un desbordamiento de búfer basado en montículo (heap) en Windows Kernel permite a un atacante autorizado elevar privilegios localmente.
AnalizadaMedia (5.5)0.40%—Microsoft Windows 11 24h2Microsoft Windows 11 25h2Microsoft Windows 11 26h1Microsoft Windows Server 202512/5/202617/6/2026
Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.