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 →

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13,598

Total alertas

3086

Críticas

10240

Altas

8

Ransomware

1806

Esta semana

RSS

M Alto vulnerabilidad

[CVE-2026-45486] 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

[CVE-2026-45475] 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

[CVE-2026-45476] Use after free in Linux MANA Driver allows an authorized attacker to elevate privileges locally.

Use after free in Linux MANA Driver allows an authorized attacker to elevate privileges locally.

M Alto vulnerabilidad

[CVE-2026-45469] Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to …

Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

M Alto vulnerabilidad

[CVE-2026-45471] Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute co…

Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.

M Alto vulnerabilidad

[CVE-2026-45472] Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

M Alto vulnerabilidad

[CVE-2026-45474] Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

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M Alto vulnerabilidad

[CVE-2026-45458] Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

M Alto vulnerabilidad

[CVE-2026-45461] Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

M Alto vulnerabilidad

[CVE-2026-45463] Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execut…

Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execute code locally.

O Alto vulnerabilidad

[CVE-2026-45447] Issue summary: A specially crafted PKCS#7 or S/MIME signed message could trigger a use-after-free du…

Issue summary: A specially crafted PKCS#7 or S/MIME signed message could trigger a use-after-free during PKCS#7 signature verification. Impact summary: A use-after-free may result in process crashes, heap corruption, or potentially remote code execution. When processing a PKCS#7 or S/MIME signed message, if the SignedData digestAlgorithms field is present as an empty ASN.1 SET, OpenSSL may incor…

M Alto vulnerabilidad

[CVE-2026-45456] Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthor…

Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.

M Alto vulnerabilidad

[CVE-2026-45457] Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to execute code locally.

M Alto vulnerabilidad

[CVE-2026-44818] Concurrent execution using shared resource with improper synchronization ('race condition') in Micro…

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

M Alto vulnerabilidad

[CVE-2026-44819] 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.

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M Alto vulnerabilidad

[CVE-2026-44820] 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

[CVE-2026-44822] 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 over a network.

M Alto vulnerabilidad

[CVE-2026-44823] Numeric truncation error in Microsoft Office Excel allows an unauthorized attacker to execute code l…

Numeric truncation error in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

M Alto vulnerabilidad

[CVE-2026-44824] 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.

O Alto vulnerabilidad

[CVE-2026-45445] Issue summary: When an application drives an AES-OCB context through the public EVP_Cipher() one-sho…

Issue summary: When an application drives an AES-OCB context through the public EVP_Cipher() one-shot interface, the application-supplied initialisation vector (IV) is silently discarded. Impact summary: Every message encrypted under the same key uses the same effective nonce regardless of the IV supplied by the caller, resulting in (key, nonce) reuse and loss of confidentiality. If the same cod…

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