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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
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1306
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M Alto vulnerabilidad
14/07/2026
[CVE-2026-58594] Integer overflow or wraparound in Windows RDP allows an unauthorized attacker to execute code over a…
Integer overflow or wraparound in Windows RDP allows an unauthorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-58542] 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
14/07/2026
[CVE-2026-58527] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-58530] Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker t…
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-58531] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB allows an authorized attacker to elevate privileges over a network.
nvdaltovulnerabilidad CVSS 7.5 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-57108] Access of resource using incompatible type ('type confusion') in .NET Core allows an unauthorized at…
Access of resource using incompatible type ('type confusion') in .NET Core allows an unauthorized attacker to deny service over a network.
nvdaltovulnerabilidad CVSS 7.5 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-57968] Buffer over-read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges …
Buffer over-read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD

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M Alto vulnerabilidad
14/07/2026
[CVE-2026-57094] 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 over a network.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-57088] Improper access control in Extensible Storage Engine (ESENT) allows an authorized attacker to elevat…
Improper access control in Extensible Storage Engine (ESENT) allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-57089] Use after free in Windows SMB Server Network Transport Driver (srvnet.sys) allows an unauthorized at…
Use after free in Windows SMB Server Network Transport Driver (srvnet.sys) allows an unauthorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 7.5 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-57090] 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 over a network.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-57087] 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 over a network.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-56196] Relative path traversal in Windows Admin Center allows an authorized attacker to execute code over a…
Relative path traversal in Windows Admin Center allows an authorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-56197] Improper neutralization of special elements used in a command ('command injection') in Windows Admin…
Improper neutralization of special elements used in a command ('command injection') in Windows Admin Center allows an authorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-56642] Stack-based buffer overflow in Microsoft Fabric Data Warehouse allows an authorized attacker to exec…
Stack-based buffer overflow in Microsoft Fabric Data Warehouse 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-2026-56189] 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-2026-56176] Out-of-bounds read in Windows Win32K - GRFX allows an authorized attacker to elevate privileges loca…
Out-of-bounds read in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55947] Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code…
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55949] Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute c…
Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-56156] Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code…
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvdaltovulnerabilidad CVSS 7.8 NVD