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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
1771
Esta semana
RSS
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.
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.
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.
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55141] Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute cod…
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55133] Heap-based buffer overflow in Microsoft Office OneNote allows an unauthorized attacker to execute co…
Heap-based buffer overflow in Microsoft Office OneNote allows an unauthorized attacker to execute code locally.
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55134] Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code…
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55136] Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute c…
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

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M Alto vulnerabilidad
14/07/2026
[CVE-2026-55137] 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.
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55140] Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code local…
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55127] Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code …
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55128] Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55129] Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code local…
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55130] Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code …
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55131] 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.
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55132] Double free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Double free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

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M Alto vulnerabilidad
14/07/2026
[CVE-2026-55058] Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally…
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55120] Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute…
Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55122] Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information…
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55123] Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute…
Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55125] Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code local…
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.