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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 hace 2 min
22,082
Total alertas
4667
Críticas
16827
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1012
Esta semana
RSS
Crítica × microsoft × Limpiar todo ×
M Crítico vulnerabilidad
24/07/2026
[CVE-2026-56163] Missing authentication for critical function in Microsoft Azure Kubernetes Service allows an unautho…
Missing authentication for critical function in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over a network.
nvdcriticovulnerabilidad CVSS 10.0 NVD
M Crítico vulnerabilidad
24/07/2026
[CVE-2026-56191] Improper authentication in Microsoft Exchange Online allows an unauthorized attacker to perform tamp…
Improper authentication in Microsoft Exchange Online allows an unauthorized attacker to perform tampering over a network.
nvdcriticovulnerabilidad CVSS 10.0 NVD
M Crítico vulnerabilidad
24/07/2026
[CVE-2026-56165] Heap-based buffer overflow in Microsoft Account allows an unauthorized attacker to execute code over…
Heap-based buffer overflow in Microsoft Account allows an unauthorized attacker to execute code over a network.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
24/07/2026
[CVE-2026-50517] Deserialization of untrusted data in M365 Copilot allows an authorized attacker to execute code over…
Deserialization of untrusted data in M365 Copilot allows an authorized attacker to execute code over a network.
nvdcriticovulnerabilidad CVSS 9.9 NVD
M Crítico vulnerabilidad
16/07/2026
CVE-2026-59831 GitHub CLI `gh codespace jupyter` could allow remote code execution when connecting to a malicious Codespace
Microsoft publica advisory de seguridad: CVE-2026-59831 GitHub CLI `gh codespace jupyter` could allow remote code execution when connecting to a malicious Codespace. Tipo: Ejecución Remota de Código (RCE).
rce Microsoft MSRC
M Crítico vulnerabilidad
14/07/2026
[CVE-2026-57092] Use after free in Windows VMSwitch allows an authorized attacker to elevate privileges over a networ…
Use after free in Windows VMSwitch allows an authorized attacker to elevate privileges over a network.
nvdcriticovulnerabilidad CVSS 9.9 NVD
M Crítico vulnerabilidad
14/07/2026
[CVE-2026-56190] Use of uninitialized resource in Windows RDP allows an unauthorized attacker to execute code over a …
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to execute code over a network.
nvdcriticovulnerabilidad CVSS 9.8 NVD

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M Crítico vulnerabilidad
14/07/2026
[CVE-2026-56188] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Network driver allows an unauthorized attacker to execute code over a network.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
14/07/2026
[CVE-2026-56159] Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code ov…
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
14/07/2026
[CVE-2026-55944] Deserialization of untrusted data in Microsoft Dynamics NAV allows an unauthorized attacker to execu…
Deserialization of untrusted data in Microsoft Dynamics NAV allows an unauthorized attacker to execute code over a network.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
14/07/2026
[CVE-2026-55040] Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a secur…
Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network.
nvdcriticovulnerabilidad CVSS 9.1 NVD
M Crítico vulnerabilidad
14/07/2026
[CVE-2026-55010] Heap-based buffer overflow in Minecraft Bedrock Dedicated Server allows an unauthorized attacker to …
Heap-based buffer overflow in Minecraft Bedrock Dedicated Server allows an unauthorized attacker to execute code over a network.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
14/07/2026
[CVE-2026-50518] Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code ov…
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
14/07/2026
[CVE-2026-50447] Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute cod…
Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over a network.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
14/07/2026
[CVE-2026-50380] Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a ne…
Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.
nvdcriticovulnerabilidad CVSS 9.6 NVD

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M Crítico vulnerabilidad
14/07/2026
[CVE-2026-55008] Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Ex…
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
nvdcriticovulnerabilidad CVSS 9.6 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 Crítico vulnerabilidad
14/07/2026
[CVE-2026-49798] Use after free in Windows Kernel allows an unauthorized attacker to elevate privileges locally.
Use after free in Windows Kernel allows an unauthorized attacker to elevate privileges locally.
nvdcriticovulnerabilidad CVSS 9.3 NVD
M Crítico vulnerabilidad
14/07/2026
[CVE-2026-49172] Heap-based buffer overflow in Windows FTP Service allows an unauthorized attacker to execute code ov…
Heap-based buffer overflow in Windows FTP Service allows an unauthorized attacker to execute code over a network.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
14/07/2026
[CVE-2026-48561] Improper neutralization of special elements used in a command ('command injection') in Copilot Chat …
Improper neutralization of special elements used in a command ('command injection') in Copilot Chat (Microsoft Edge) allows an unauthorized attacker to execute code over a network.
nvdcriticovulnerabilidad CVSS 9.6 NVD