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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 ahora mismo
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22,181
Total alertas
4701
Críticas
16892
Altas
8
Ransomware
1052
Esta semana
RSS
M Alto vulnerabilidad
09/06/2026
[CVE-2026-45592] Integer overflow or wraparound in Windows Internet (wininet.dll) allows an authorized attacker to el…
Integer overflow or wraparound in Windows Internet (wininet.dll) allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-45597] Concurrent execution using shared resource with improper synchronization ('race condition') in UI Au…
Concurrent execution using shared resource with improper synchronization ('race condition') in UI Automation Manager (uiamanager.dll) allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-45588] Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a securi…
Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
nvdaltovulnerabilidad CVSS 7.9 NVD
M Alto vulnerabilidad
09/06/2026
[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.
nvdaltovulnerabilidad CVSS 7.0 NVD
O Alto vulnerabilidad
09/06/2026
[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…
nvdaltovulnerabilidad CVSS 7.5 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-42991] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-42981] Integer underflow (wrap or wraparound) in Windows Performance Monitor allows an unauthorized attacke…
Integer underflow (wrap or wraparound) in Windows Performance Monitor allows an unauthorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 8.1 NVD

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M Alto vulnerabilidad
09/06/2026
[CVE-2026-42974] Integer overflow or wraparound in Windows Performance Monitor allows an unauthorized attacker to exe…
Integer overflow or wraparound in Windows Performance Monitor allows an unauthorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 8.1 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-42977] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-42978] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-42979] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-42912] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-42913] Concurrent execution using shared resource with improper synchronization ('race condition') in Remot…
Concurrent execution using shared resource with improper synchronization ('race condition') in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 7.5 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-42909] Concurrent execution using shared resource with improper synchronization ('race condition') in Remot…
Concurrent execution using shared resource with improper synchronization ('race condition') in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 7.5 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-42910] Out-of-bounds write in Windows Hotpatch Monitoring Service allows an authorized attacker to elevate …
Out-of-bounds write in Windows Hotpatch Monitoring Service allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD

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M Alto vulnerabilidad
09/06/2026
[CVE-2026-42829] Improper access control in Windows Administrator Protection allows an authorized attacker to bypass …
Improper access control in Windows Administrator Protection allows an authorized attacker to bypass a security feature locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-42836] Concurrent execution using shared resource with improper synchronization ('race condition') in Funct…
Concurrent execution using shared resource with improper synchronization ('race condition') in Function Discovery Service (fdwsd.dll) allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
O Alto vulnerabilidad
09/06/2026
[CVE-2026-42764] Issue summary: Receiving a QUIC initial packet with an invalid token may trigger a NULL pointer dere…
Issue summary: Receiving a QUIC initial packet with an invalid token may trigger a NULL pointer dereference in the OpenSSL QUIC server with address validation disabled. Impact summary: NULL pointer dereference typically causes abnormal termination of the affected QUIC server process and a Denial of Service. If the address validation is disabled in the OpenSSL QUIC server implementation, an attac…
nvdaltovulnerabilidad CVSS 7.5 NVD
O Alto vulnerabilidad
09/06/2026
[CVE-2026-42765] Issue summary: When a partial-chain certificate verification is enabled together with OCSP response …
Issue summary: When a partial-chain certificate verification is enabled together with OCSP response checking for the whole chain, a NULL dereference will happen if the verified chain does not have a self-signed trusted anchor, crashing the process. Impact summary: A NULL pointer dereference can trigger a crash which leads to a Denial of Service for an application. When performing OCSP response c…
nvdaltovulnerabilidad CVSS 7.5 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-40404] Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
nvdaltovulnerabilidad CVSS 7.8 NVD