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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
13,509
Total alertas
3066
Críticas
10171
Altas
8
Ransomware
1784
Esta semana
RSS
Alta × microsoft × Limpiar todo ×
M Alto vulnerabilidad
14/07/2026
[CVE-2026-50333] Missing authentication for critical function in Windows Spaceport.sys allows an authorized attacker …
Missing authentication for critical function in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-50297] Improper access control in Windows Win32K allows an authorized attacker to elevate privileges locall…
Improper access control in Windows Win32K allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-50308] Integer underflow (wrap or wraparound) in Windows NTFS allows an unauthorized attacker to execute co…
Integer underflow (wrap or wraparound) in Windows NTFS allows an unauthorized attacker to execute code locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49806] 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-2026-49808] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-50293] Use after free in Windows Internal Task Bar allows an authorized attacker to elevate privileges loca…
Use after free in Windows Internal Task Bar allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-50296] Use after free in Graphics Kernel allows an authorized attacker to elevate privileges locally.
Use after free in Graphics Kernel allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD

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M Alto vulnerabilidad
14/07/2026
[CVE-2026-49800] Integer overflow or wraparound in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an authori…
Integer overflow or wraparound in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49802] 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-2026-49803] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows AppX Deployment Service allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49805] Improper access control in Windows Win32K allows an authorized attacker to elevate privileges locall…
Improper access control in Windows Win32K allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49793] Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to …
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49795] Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49796] Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code locally.
Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49797] Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
nvdaltovulnerabilidad CVSS 7.8 NVD

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M Alto vulnerabilidad
14/07/2026
[CVE-2026-49787] Allocation of resources without limits or throttling in Windows HTTP.sys allows an unauthorized atta…
Allocation of resources without limits or throttling in Windows HTTP.sys allows an unauthorized attacker to deny service over a network.
nvdaltovulnerabilidad CVSS 7.5 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49788] Allocation of resources without limits or throttling in HTTP/2 allows an unauthorized attacker to de…
Allocation of resources without limits or throttling in HTTP/2 allows an unauthorized attacker to deny service over a network.
nvdaltovulnerabilidad CVSS 7.5 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49789] Stack-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges loca…
Stack-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.3 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49790] Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
nvdaltovulnerabilidad CVSS 7.3 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49791] Improper link resolution before file access ('link following') in Windows Routing and Remote Access …
Improper link resolution before file access ('link following') in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.1 NVD