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)
| CVE | Estado | Severidad | EPSS | Explotación activa | Tecnologías afectadas | Publicada ▼ | Modificada | Descripción |
|---|---|---|---|---|---|---|---|---|
| Modificada | Alta (7.8) | 0.33% | 💥 PoC | Microsoft Windows 11 24h2Microsoft Windows 11 25h2Microsoft Windows 11 26h1Microsoft Windows Server 2025 | 12/5/2026 | 26/6/2026 | Un desbordamiento de búfer basado en montículo (heap) en Windows Kernel permite a un atacante autorizado elevar privilegios localmente. | |
| Analizada | Alta (8) | 2.1% | — | Microsoft Sharepoint Server | 12/5/2026 | 17/6/2026 | Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network. | |
| Modificada | Alta (8.4) | 0.45% | — | Microsoft 365 AppsMicrosoft OfficeMicrosoft Office Long Term Servicing ChannelMicrosoft Sharepoint Server+1 | 12/5/2026 | 17/6/2026 | Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally. | |
| Modificada | Alta (8.4) | 0.36% | — | Microsoft 365 AppsMicrosoft OfficeMicrosoft Office Long Term Servicing ChannelMicrosoft Word | 12/5/2026 | 17/6/2026 | Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally. | |
| Modificada | Alta (8.8) | 1.1% | — | Microsoft Sharepoint Server | 12/5/2026 | 17/6/2026 | Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network. | |
| Analizada | Alta (8.4) | 0.36% | — | Microsoft 365 AppsMicrosoft OfficeMicrosoft Office Long Term Servicing ChannelMicrosoft Word | 12/5/2026 | 17/6/2026 | Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally. | |
| Analizada | Alta (8.4) | 0.36% | — | Microsoft 365 AppsMicrosoft 365 CopilotMicrosoft OfficeMicrosoft Office Long Term Servicing Channel | 12/5/2026 | 17/6/2026 | Un desbordamiento de búfer basado en montículo (heap) en Microsoft Office permite a un atacante no autorizado ejecutar código localmente. | |
| Modificada | Alta (7.8) | 0.47% | — | Microsoft 365 AppsMicrosoft ExcelMicrosoft OfficeMicrosoft Office Long Term Servicing Channel+1 | 12/5/2026 | 17/6/2026 | Un uso después de liberar (use-after-free) en Microsoft Office Excel permite a un atacante no autorizado ejecutar código localmente. | |
| Modificada | Alta (8.4) | 0.36% | — | Microsoft 365 AppsMicrosoft OfficeMicrosoft Office Long Term Servicing ChannelMicrosoft Word | 12/5/2026 | 17/6/2026 | Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. | |
| Analizada | Alta (7.8) | 0.47% | — | Microsoft 365 AppsMicrosoft ExcelMicrosoft OfficeMicrosoft Office Long Term Servicing Channel+1 | 12/5/2026 | 17/6/2026 | Una lectura fuera de límites en Microsoft Office Excel permite a un atacante no autorizado divulgar información localmente. | |
| Analizada | Alta (7.8) | 0.47% | — | Microsoft 365 AppsMicrosoft ExcelMicrosoft OfficeMicrosoft Office Long Term Servicing Channel+1 | 12/5/2026 | 17/6/2026 | Un uso después de liberar (use-after-free) en Microsoft Office Excel permite a un atacante no autorizado ejecutar código localmente. | |
| Modificada | Alta (8.4) | 0.36% | — | Microsoft 365 AppsMicrosoft OfficeMicrosoft Office Long Term Servicing Channel | 12/5/2026 | 17/6/2026 | Un desbordamiento de búfer basado en montículo (heap) en Microsoft Office permite a un atacante no autorizado ejecutar código localmente. | |
| Analizada | Alta (8.8) | 2.3% | — | Microsoft Sharepoint Server | 12/5/2026 | 17/6/2026 | Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network. | |
| Analizada | Media (5.5) | 0.55% | — | Microsoft 365 AppsMicrosoft OfficeMicrosoft Office Long Term Servicing ChannelMicrosoft Word | 12/5/2026 | 17/6/2026 | Files or directories accessible to external parties in Microsoft Office Word allows an unauthorized attacker to disclose information locally. | |
| Analizada | Alta (8.8) | 2.3% | — | Microsoft Sharepoint Server | 12/5/2026 | 17/6/2026 | Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network. | |
| Analizada | Alta (8.3) | 0.63% | — | Microsoft Windows Admin Center | 12/5/2026 | 17/6/2026 | Missing authorization in Windows Admin Center allows an authorized attacker to elevate privileges over a network. | |
| Modificada | Alta (8.8) | 0.30% | — | Microsoft 365 AppsMicrosoft OfficeMicrosoft Office Long Term Servicing Channel | 12/5/2026 | 17/6/2026 | Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally. | |
| Modificada | Alta (7.3) | 0.57% | — | Microsoft .net FrameworkMicrosoft .net | 12/5/2026 | 15/7/2026 | Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally. | |
| Modificada | Media (4.3) | 0.70% | — | Microsoft Edge | 12/5/2026 | 17/6/2026 | User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network. | |
| Analizada | Alta (7.5) | 1.2% | — | Microsoft Windows 10 1607Microsoft Windows 10 1809Microsoft Windows 10 21h2Microsoft Windows 10 22h2+10 | 12/5/2026 | 17/6/2026 | Missing release of memory after effective lifetime in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network. | |
| Analizada | Media (5.4) | 0.68% | — | Microsoft Windows 10 1607Microsoft Windows 10 1809Microsoft Windows 10 21h2Microsoft Windows 10 22h2+10 | 12/5/2026 | 17/6/2026 | Out-of-bounds read in Telnet Client allows an unauthorized attacker to disclose information over a network. | |
| Analizada | Media (6.5) | 0.64% | — | Microsoft Windows 10 1607Microsoft Windows 10 1809Microsoft Windows 10 21h2Microsoft Windows 10 22h2+10 | 12/5/2026 | 17/6/2026 | Authentication bypass using an alternate path or channel in Windows TCP/IP allows an authorized attacker to bypass a security feature over a network. | |
| Analizada | Alta (7.8) | 0.47% | — | Microsoft Windows 10 1607Microsoft Windows 10 1809Microsoft Windows 10 21h2Microsoft Windows 10 22h2+10 | 12/5/2026 | 17/6/2026 | Heap-based buffer overflow in Windows GDI allows an unauthorized attacker to execute code locally. | |
| Analizada | Alta (7.8) | 0.33% | — | Microsoft Windows Server 2012Microsoft Windows Server 2016Microsoft Windows Server 2019Microsoft Windows Server 2022+2 | 12/5/2026 | 17/6/2026 | Un desbordamiento de búfer basado en montículo (heap) en Windows Kernel permite a un atacante autorizado elevar privilegios localmente. | |
| Analizada | Media (5.5) | 0.40% | — | Microsoft Windows 11 24h2Microsoft Windows 11 25h2Microsoft Windows 11 26h1Microsoft Windows Server 2025 | 12/5/2026 | 17/6/2026 | Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally. |