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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 1 hora
22,162
Total alertas
4698
Críticas
16876
Altas
8
Ransomware
1037
Esta semana
RSS
Alta × cwe-416 × Limpiar todo ×
M Alto vulnerabilidad
18/08/2026
[CVE-2026-74937] Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 154, Firefox…
Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
14/08/2026
[CVE-2026-12366] Zephyr's dynamic kernel-object disposal path unref_check() in kernel/userspace/userspace.c frees an …
Zephyr's dynamic kernel-object disposal path unref_check() in kernel/userspace/userspace.c frees an object's storage (k_free(dyn->data)) once its reference count reaches zero, after running a per-object-type cleanup. The cleanup switch handled only K_OBJ_MSGQ and K_OBJ_STACK; there was no K_OBJ_TIMER case. A dynamically-allocated, initialized, and armed k_timer keeps its embedded struct _timeout d…
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
11/08/2026
[CVE-2026-18711] An issue in MongoDB Server's query execution engine could allow an authenticated user with read and …
An issue in MongoDB Server's query execution engine could allow an authenticated user with read and write privileges to cause an internal reference to be used after the underlying memory has been freed, when running certain queries against time-series collections. This could result in a server crash or disclosure of freed memory contents within query results.
nvdaltovulnerabilidad CVSS 7.1 NVD
M Alto vulnerabilidad
11/08/2026
[CVE-2026-18692] An issue in MongoDB Server's handling of timeseries bucket lifecycle could allow an authenticated us…
An issue in MongoDB Server's handling of timeseries bucket lifecycle could allow an authenticated user with write privileges to cause an internal reference to be used after the underlying memory has been freed. Subsequent operations could then result in a server crash or, potentially, execution of unintended code.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
11/08/2026
[CVE-2026-70307] Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to ele…
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Alto vulnerabilidad
11/08/2026
[CVE-2026-70311] 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.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
11/08/2026
[CVE-2026-68820] Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to ele…
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD

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M Alto vulnerabilidad
11/08/2026
[CVE-2026-66802] Concurrent execution using shared resource with improper synchronization ('race condition') in Micro…
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Azure Attestation service and Device Health Attestation Service allows an unauthorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 8.1 NVD
M Alto vulnerabilidad
11/08/2026
[CVE-2026-65788] Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally…
Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Alto vulnerabilidad
11/08/2026
[CVE-2026-65789] Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.
Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 8.1 NVD
M Alto vulnerabilidad
11/08/2026
[CVE-2026-65778] Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally.
Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Alto vulnerabilidad
11/08/2026
[CVE-2026-65779] Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally.
Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Alto vulnerabilidad
11/08/2026
[CVE-2026-65781] Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally.
Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Alto vulnerabilidad
11/08/2026
[CVE-2026-65782] Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally.
Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Alto vulnerabilidad
11/08/2026
[CVE-2026-65783] Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally.
Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD

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M Alto vulnerabilidad
11/08/2026
[CVE-2026-65775] Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
11/08/2026
[CVE-2026-65776] Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Alto vulnerabilidad
11/08/2026
[CVE-2026-65678] Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Alto vulnerabilidad
11/08/2026
[CVE-2026-65657] 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.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
11/08/2026
[CVE-2026-62908] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Backup Engine allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD