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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
13,434
Total alertas
3054
Críticas
10108
Altas
8
Ransomware
1777
Esta semana
RSS
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-2026-49184] 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
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

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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-2026-48564] Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker to execute code over…
Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-42975] Heap-based buffer overflow in Windows Bluetooth Port Driver allows an unauthorized attacker to execu…
Heap-based buffer overflow in Windows Bluetooth Port Driver allows an unauthorized attacker to execute code over an adjacent network.
nvdaltovulnerabilidad CVSS 8.0 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-42982] Improper validation of consistency within input in Windows Secure Kernel Mode allows an authorized a…
Improper validation of consistency within input in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-40378] Memory allocation with excessive size value in Windows Local Security Authority Subsystem Service (L…
Memory allocation with excessive size value in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.
nvdaltovulnerabilidad CVSS 7.5 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-40400] Relative path traversal in Windows PowerShell allows an authorized attacker to execute code over a n…
Relative path traversal in Windows PowerShell allows an authorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 8.0 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-42900] 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 Store allows an unauthorized attacker to elevate privileges over a network.
nvdaltovulnerabilidad CVSS 8.1 NVD

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M Alto vulnerabilidad
09/06/2026
[CVE-2026-48574] Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-48575] Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a securi…
Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
nvdaltovulnerabilidad CVSS 7.9 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-48576] No cwe for this issue in Windows Secure Boot allows an authorized attacker to bypass a security feat…
No cwe for this issue in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
nvdaltovulnerabilidad CVSS 7.9 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-48578] Improper access control in Windows Secure Boot allows an authorized attacker to elevate privileges l…
Improper access control in Windows Secure Boot allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.9 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-48583] 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