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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
13,566
Total alertas
3081
Críticas
10213
Altas
8
Ransomware
1782
Esta semana
RSS
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M Alto vulnerabilidad
14/07/2026
[CVE-2026-58609] Out-of-bounds read in Microsoft Graphics Component allows an unauthorized attacker to execute code l…
Out-of-bounds read in Microsoft Graphics Component allows an unauthorized attacker to execute code locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-58610] Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to …
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-58618] 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.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-58631] Improper authorization in Windows Admin Center allows an authorized attacker to execute code locally…
Improper authorization in Windows Admin Center allows an authorized attacker to execute code locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-58635] Improper neutralization of special elements used in a command ('command injection') in Windows Narra…
Improper neutralization of special elements used in a command ('command injection') in Windows Narrator Braille allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-58636] Improper link resolution before file access ('link following') in Window PC Manager allows an author…
Improper link resolution before file access ('link following') in Window PC Manager allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-58526] Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.0 NVD

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M Alto vulnerabilidad
14/07/2026
[CVE-2026-58595] Improper restriction of rendered ui layers or frames in Microsoft Bing App for IOS allows an unautho…
Improper restriction of rendered ui layers or frames in Microsoft Bing App for IOS allows an unauthorized attacker to perform spoofing over a network.
nvdaltovulnerabilidad CVSS 8.1 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-58601] Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker …
Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-58602] Use after free in Windows Kernel Mode Driver allows an authorized attacker to elevate privileges loc…
Use after free in Windows Kernel Mode Driver allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-58608] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Print Spooler Components allows an authorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-56169] Improper authentication in Windows Admin Center allows an authorized attacker to elevate privileges …
Improper authentication in Windows Admin Center allows an authorized attacker to elevate privileges over a network.
nvdaltovulnerabilidad CVSS 8.1 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-56170] Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker…
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
nvdaltovulnerabilidad CVSS 7.5 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-56193] Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information local…
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
nvdaltovulnerabilidad CVSS 7.1 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-57107] Improper authentication in Windows Admin Center allows an authorized attacker to elevate privileges …
Improper authentication in Windows Admin Center allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD

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M Alto vulnerabilidad
14/07/2026
[CVE-2026-57969] Missing authentication for critical function in Azure CycleCloud allows an authorized attacker to el…
Missing authentication for critical function in Azure CycleCloud allows an authorized attacker to elevate privileges over a network.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55012] Integer overflow or wraparound in Microsoft Defender allows an unauthorized attacker to execute code…
Integer overflow or wraparound in Microsoft Defender allows an unauthorized attacker to execute code locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55014] Improper access control in Windows Remote Help Defense allows an authorized attacker to elevate priv…
Improper access control in Windows Remote Help Defense allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55144] Missing cryptographic step in Windows CryptoAPI allows an authorized attacker to perform tampering l…
Missing cryptographic step in Windows CryptoAPI allows an authorized attacker to perform tampering locally.
nvdaltovulnerabilidad CVSS 7.1 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55899] 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.
nvdaltovulnerabilidad CVSS 7.8 NVD