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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
1797
Esta semana
RSS
Alta × microsoft × Limpiar todo ×
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49792] Numeric truncation error in Windows Resilient File System (ReFS) allows an authorized attacker to ex…
Numeric truncation error 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-2026-49181] Integer underflow (wrap or wraparound) in Windows DHCP Client allows an unauthorized attacker to ele…
Integer underflow (wrap or wraparound) in Windows DHCP Client allows an unauthorized attacker to elevate privileges over a network.
nvdaltovulnerabilidad CVSS 7.5 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49183] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Clipboard Server allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49184] 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 8.4 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49783] Improperly implemented security check for standard in Windows Secure Boot allows an authorized attac…
Improperly implemented security check for standard in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49784] Concurrent execution using shared resource with improper synchronization ('race condition') in Micro…
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Windows App Store allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49171] Use after free in Microsoft Windows Speech allows an authorized attacker to elevate privileges local…
Use after free in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.5 NVD

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M Alto vulnerabilidad
14/07/2026
[CVE-2026-49173] 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 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49175] Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locall…
Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49176] Improper privilege management in Windows WalletService allows an authorized attacker to elevate priv…
Improper privilege management in Windows WalletService allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49178] Heap-based buffer overflow in Active Directory Domain Services allows an authorized attacker to exec…
Heap-based buffer overflow in Active Directory Domain Services allows an authorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49164] Heap-based buffer overflow in Active Directory Domain Services allows an unauthorized attacker to ex…
Heap-based buffer overflow in Active Directory Domain Services allows an unauthorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 8.1 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49165] Use of uninitialized resource in Microsoft Windows App Store allows an authorized attacker to disclo…
Use of uninitialized resource in Microsoft Windows App Store allows an authorized attacker to disclose information locally.
nvdaltovulnerabilidad CVSS 7.1 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49166] Use after free in Microsoft Printer Drivers allows an authorized attacker to elevate privileges loca…
Use after free in Microsoft Printer Drivers allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49169] Use after free in DNS Server allows an authorized attacker to execute code over a network.
Use after free in DNS Server allows an authorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 8.0 NVD

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M Alto vulnerabilidad
14/07/2026
[CVE-2026-49170] Insufficient granularity of access control in Windows StateRepository API allows an authorized attac…
Insufficient granularity of access control in Windows StateRepository API allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-48571] Use after free in Windows App Installer allows an authorized attacker to elevate privileges locally.
Use after free in Windows App Installer allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-48572] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows App Installer allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-48581] Insufficient granularity of access control in Microsoft Surface allows an authorized attacker to ele…
Insufficient granularity of access control in Microsoft Surface allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-49162] Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privilege…
Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD