Empresa
¿Quiénes somos? Visión y Valores
Herramientas
Email Checker Vigía DNS SSL Checker Password Strength HTTP Headers
Alertas
Todas las alertas Vulnerabilidades Incidentes Solo críticas En CISA KEV
Editorial
Análisis técnico ¿Cuál es mi IP?
Blog
Blog 2MCI ISO 27001 Amenazas LATAM Recursos Gratuitos eBook Gratuito Newsletter Podcast / YouTube
Empresa
Servicios Contacto Suscribirse al Newsletter
🆕 Nuevo en 2MCI
✨ Crear cuenta gratis 🛠️ Ver herramientas sin registro
Ya tengo cuenta
🔒 Iniciar sesión
Equipo
🏠 Portal interno 2MCI
Inicio/Alertas
Seguridad de la Información

Alertas de Seguridad de la Información

Vulnerabilidades explotadas activamente, incidentes y análisis relevantes para México y LATAM. Actualizado automáticamente desde fuentes oficiales.

48 vulnerabilidades en CISA KEV — explotación activa confirmada Ver todas →
Última alerta publicada ahora mismo
Buscando: "Microsoft" — 1234 resultados ✕ Limpiar búsqueda
13,566
Total alertas
3081
Críticas
10213
Altas
8
Ransomware
1780
Esta semana
RSS
Vulnerabilidades × Limpiar todo ×
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55009] Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to elev…
Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55011] Integer underflow (wrap or wraparound) in Microsoft Defender allows an unauthorized attacker to exec…
Integer underflow (wrap or wraparound) in Microsoft Defender allows an unauthorized attacker to execute code locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54993] Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to …
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54995] Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to ex…
Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 8.1 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54996] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54999] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
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.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55001] Improper certificate validation in Windows Active Directory allows an authorized attacker to elevate…
Improper certificate validation in Windows Active Directory allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD

📬 Alertas semanales SI directo en tu email

Las vulnerabilidades más críticas para LATAM, con contexto y recomendaciones accionables. Gratis.

Suscribirme →
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54986] Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges loc…
Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54987] Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privil…
Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54989] Use after free in Quality Windows Audio/Video Experience (QWAVE) service allows an authorized attack…
Use after free in Quality Windows Audio/Video Experience (QWAVE) service allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Crítico vulnerabilidad
14/07/2026
[CVE-2026-54990] Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code …
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54991] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54992] Heap-based buffer overflow in Windows Message Queuing Queue Manager allows an unauthorized attacker …
Heap-based buffer overflow in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute code locally.
nvdaltovulnerabilidad CVSS 8.4 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54129] Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54982] Integer underflow (wrap or wraparound) in Reliable Multicast Transport Driver (RMCAST) allows an una…
Integer underflow (wrap or wraparound) in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network.
nvdaltovulnerabilidad CVSS 8.8 NVD

🛡 ¿Estás expuesto a alguna de estas vulnerabilidades?

Evaluación gratuita inicial con el equipo 2MCI: identifica exposición y plan de remediación.

Habla con un experto →
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54983] Stack-based buffer overflow in Active Directory Federation Services (AD FS) allows an unauthorized a…
Stack-based buffer overflow in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.
nvdaltovulnerabilidad CVSS 7.5 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54111] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54112] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54114] Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54117] Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code over a…
Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 8.8 NVD