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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
Buscando: "Microsoft" — 952 resultados ✕ Limpiar búsqueda
13,509
Total alertas
3066
Críticas
10171
Altas
8
Ransomware
1797
Esta semana
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M Alto vulnerabilidad
09/06/2026
[CVE-2026-45603] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD
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-2026-45593] Use after free in Windows SDK allows an authorized attacker to elevate privileges locally.
Use after free in Windows SDK allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-45596] 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
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-2026-45503] Improper authorization in Microsoft Exchange Server allows an authorized attacker to disclose inform…
Improper authorization in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.
nvdaltovulnerabilidad CVSS 8.1 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-45504] Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to ele…
Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
nvdaltovulnerabilidad CVSS 8.8 NVD

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M Alto vulnerabilidad
09/06/2026
[CVE-2026-45583] Improper control of generation of code ('code injection') in Microsoft Exchange Server allows an una…
Improper control of generation of code ('code injection') in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 7.5 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-45586] Improper link resolution before file access ('link following') in Windows Collaborative Translation …
Improper link resolution before file access ('link following') in Windows Collaborative Translation Framework allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 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-2026-45591] Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service ov…
Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a network.
nvdaltovulnerabilidad CVSS 7.5 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-45490] Improper authorization in .NET allows an authorized attacker to elevate privileges locally.
Improper authorization in .NET allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-45487] Time-of-check time-of-use (TOCTOU) race condition in Program Compatibility Assistant Service allows …
Time-of-check time-of-use (TOCTOU) race condition in Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
09/06/2026
[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.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
09/06/2026
[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.
nvdaltovulnerabilidad CVSS 7.8 NVD

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M Alto vulnerabilidad
09/06/2026
[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.
nvdaltovulnerabilidad CVSS 8.2 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-45481] Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Of…
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
nvdaltovulnerabilidad CVSS 7.3 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-45482] Improper limitation of a pathname to a restricted directory ('path traversal') in GitHub Copilot and…
Improper limitation of a pathname to a restricted directory ('path traversal') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.
nvdaltovulnerabilidad CVSS 8.4 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-45484] Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to el…
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
09/06/2026
[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.
nvdaltovulnerabilidad CVSS 7.8 NVD