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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 →
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Vulnerabilidades × microsoft × Limpiar todo ×
M Alto vulnerabilidad
01/07/2026
[CVE-2026-45659] Vulnerabilidad explotada activamente en Microsoft SharePoint Server
CISA confirma explotación activa de una vulnerabilidad en Microsoft SharePoint Server. No se ha confirmado uso en campañas de ransomware conocidas. Fecha límite para aplicar parche según directiva CISA: 2026-07-04.
explotación activavulnerabilidad CISA KEV
M Alto vulnerabilidad
22/06/2026
[CVE-2025-66389] GitHub Copilot 1.372.0 allows filesystem access outside of a workspace folder (without user approval…
GitHub Copilot 1.372.0 allows filesystem access outside of a workspace folder (without user approval) via a file-handler URI parameter to fetch_webpage. Therefore, exfiltration could occur if there is indirect prompt injection.
nvdaltovulnerabilidad CVSS 7.5 NVD
M Crítico vulnerabilidad
19/06/2026
[CVE-2026-48584] Execution with unnecessary privileges in Azure Synapse allows an authorized attacker to elevate priv…
Execution with unnecessary privileges in Azure Synapse allows an authorized attacker to elevate privileges over a network.
nvdcriticovulnerabilidad CVSS 9.9 NVD
M Crítico vulnerabilidad
19/06/2026
[CVE-2026-48582] Missing authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileg…
Missing authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network.
nvdcriticovulnerabilidad CVSS 9.6 NVD
M Alto vulnerabilidad
19/06/2026
[CVE-2026-47645] Url redirection to untrusted site ('open redirect') in Microsoft 365 Copilot's Business Chat allows …
Url redirection to untrusted site ('open redirect') in Microsoft 365 Copilot's Business Chat allows an unauthorized attacker to elevate privileges over a network.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Crítico vulnerabilidad
19/06/2026
[CVE-2026-45480] Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privile…
Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
nvdcriticovulnerabilidad CVSS 10.0 NVD
M Alto vulnerabilidad
19/06/2026
[CVE-2026-32208] Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft En…
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Entra ID allows an authorized attacker to perform spoofing over a network.
nvdaltovulnerabilidad CVSS 8.8 NVD

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M Crítico vulnerabilidad
19/06/2026
[CVE-2025-62821] Microsoft HEIF Image Extensions 1.2.22.0 has an out-of-bounds read because CHEIFItemInfoEntry_GetDat…
Microsoft HEIF Image Extensions 1.2.22.0 has an out-of-bounds read because CHEIFItemInfoEntry_GetDataSize can return success while leaving the reported data size as 0. This causes a caller to make a 1-byte allocation. Later, CopyPixels computes copy_size = stride * abs(roi_height) but does not check the source buffer length before a memmove call.
nvdcriticovulnerabilidad CVSS 9.1 NVD
M Crítico vulnerabilidad
18/06/2026
[CVE-2026-54130] Missing authentication for critical function in M365 Copilot allows an unauthorized attacker to disc…
Missing authentication for critical function in M365 Copilot allows an unauthorized attacker to disclose information over a network.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Alto vulnerabilidad
18/06/2026
[CVE-2026-47633] Exposure of sensitive information to an unauthorized actor in Cost Management Interactive Experience…
Exposure of sensitive information to an unauthorized actor in Cost Management Interactive Experiences allows an unauthorized attacker to disclose information over a network.
nvdaltovulnerabilidad CVSS 7.5 NVD
M Crítico vulnerabilidad
18/06/2026
[CVE-2026-47647] Improper access control in Microsoft Dynamics 365 allows an authorized attacker to elevate privilege…
Improper access control in Microsoft Dynamics 365 allows an authorized attacker to elevate privileges over a network.
nvdcriticovulnerabilidad CVSS 9.9 NVD
M Alto vulnerabilidad
18/06/2026
[CVE-2026-32174] Improper authentication in Azure Bot Service allows an authorized attacker to elevate privileges ove…
Improper authentication in Azure Bot Service allows an authorized attacker to elevate privileges over a network.
nvdaltovulnerabilidad CVSS 7.7 NVD
M Alto vulnerabilidad
16/06/2026
[CVE-2026-50656] Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Micros…
Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "RoguePlanet ".
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-50512] Missing authentication for critical function in Microsoft PC Manager allows an authorized attacker t…
Missing authentication for critical function in Microsoft PC Manager allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-50511] Improper link resolution before file access ('link following') in Microsoft PC Manager allows an aut…
Improper link resolution before file access ('link following') in Microsoft PC Manager allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.8 NVD

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M Alto vulnerabilidad
09/06/2026
[CVE-2026-49161] Improper access control in Microsoft PC Manager allows an authorized attacker to bypass a security f…
Improper access control in Microsoft PC Manager allows an authorized attacker to bypass a security feature locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-48574] Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
09/06/2026
[CVE-2026-48575] 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-2026-48576] No cwe for this issue in Windows Secure Boot allows an authorized attacker to bypass a security feat…
No cwe for this issue 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-2026-48578] Improper access control in Windows Secure Boot allows an authorized attacker to elevate privileges l…
Improper access control in Windows Secure Boot allows an authorized attacker to elevate privileges locally.
nvdaltovulnerabilidad CVSS 7.9 NVD