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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
13,509
Total alertas
3066
Críticas
10171
Altas
8
Ransomware
1797
Esta semana
RSS
Alta × microsoft × Limpiar todo ×
M Alto vulnerabilidad
14/07/2026
[CVE-2026-55021] 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
14/07/2026
[CVE-2026-55022] 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.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54131] Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54121] Improper authorization in Active Directory Certificate Services (AD CS) allows an authorized attacke…
Improper authorization in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate privileges over a network.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54124] Integer overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute code l…
Integer overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute code locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54125] Concurrent execution using shared resource with improper synchronization ('race condition') in Windo…
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-54128] Use after free in Windows DHCP Client allows an unauthorized attacker to execute code locally.
Use after free in Windows DHCP Client allows an unauthorized attacker to execute code locally.
nvdaltovulnerabilidad CVSS 8.4 NVD

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M Alto vulnerabilidad
14/07/2026
[CVE-2026-54115] Integer overflow or wraparound in Windows Active Directory allows an authorized attacker to elevate …
Integer overflow or wraparound in Windows Active Directory allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-50689] Use after free in Windows Clipboard Server allows an authorized attacker to elevate privileges local…
Use after free in Windows Clipboard Server allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-50692] Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privil…
Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-50687] Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-50688] Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-50685] Double free in Windows DHCP Server allows an authorized attacker to execute code over a network.
Double free in Windows DHCP Server allows an authorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 7.5 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-50686] Access of resource using incompatible type ('type confusion') in Windows OLE allows an unauthorized …
Access of resource using incompatible type ('type confusion') in Windows OLE allows an unauthorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 8.1 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-50677] Use after free in Windows Media allows an authorized attacker to elevate privileges locally.
Use after free in Windows Media allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD

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M Alto vulnerabilidad
14/07/2026
[CVE-2026-50679] Heap-based buffer overflow in Microsoft Windows Search Component allows an authorized attacker to el…
Heap-based buffer overflow in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-50680] Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to elevate privileges lo…
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 8.2 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-50682] Out-of-bounds read in Windows Active Directory allows an authorized attacker to deny service over a …
Out-of-bounds read in Windows Active Directory allows an authorized attacker to deny service over a network.
nvdaltovulnerabilidad CVSS 7.1 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-50683] Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker to elevate privilege…
Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker to elevate privileges over an adjacent network.
nvdaltovulnerabilidad CVSS 8.0 NVD
M Alto vulnerabilidad
14/07/2026
[CVE-2026-50670] Out-of-bounds read in Windows Kernel allows an authorized attacker to elevate privileges locally.
Out-of-bounds read in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 8.8 NVD