Vulnerabilidades

Resumen — últimos 7 días

Vulnerabilidades nuevas2862▼ 326 respecto a la semana anterior

Críticas / altas1389▼ 28 respecto a la semana anterior

Nueva explotación activa (KEV)4▼ 5 respecto a la semana anterior

Sin puntuar (sin CVSS)293▼ 216 respecto a la semana anterior

367 resultados, ordenados por fecha de publicación (más recientes primero)

CVE	Estado	Severidad	EPSS	Explotación activa	Tecnologías afectadas	Publicada ▼	Modificada	Descripción
CVE-2026-32190	Analizada	Alta (8.4)	0.36%	—	Microsoft 365 Apps Microsoft Office Microsoft Office Long Term Servicing Channel	14/4/2026	17/6/2026	Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-32189	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Excel Microsoft Office Microsoft Office Long Term Servicing Channel+1	14/4/2026	17/6/2026	Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-32188	Analizada	Alta (7.1)	0.53%	—	Microsoft 365 Apps Microsoft Excel Microsoft Office Microsoft Office Long Term Servicing Channel+1	14/4/2026	17/6/2026	Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-23657	Analizada	Alta (7.8)	0.41%	—	Microsoft 365 Apps Microsoft Office Long Term Servicing Channel	14/4/2026	17/6/2026	Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-26113	Analizada	Alta (7.8)	0.41%	—	Microsoft 365 Apps Microsoft Office Microsoft Office Long Term Servicing Channel Microsoft Sharepoint Server	10/3/2026	17/6/2026	Untrusted pointer dereference in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-26112	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Excel Microsoft Office Microsoft Office Long Term Servicing Channel+1	10/3/2026	17/6/2026	Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-26110	Analizada	Alta (7.8)	0.34%	—	Microsoft 365 Apps Microsoft 365 Copilot Microsoft Office Microsoft Office Long Term Servicing Channel	10/3/2026	17/6/2026	Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-26109	Analizada	Alta (7.8)	0.34%	—	Microsoft 365 Apps Microsoft Excel Microsoft Office Microsoft Office Long Term Servicing Channel+1	10/3/2026	17/6/2026	Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-26108	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Excel Microsoft Office Microsoft Office Long Term Servicing Channel+1	10/3/2026	17/6/2026	Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-26107	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Excel Microsoft Office Microsoft Office Long Term Servicing Channel+1	10/3/2026	17/6/2026	Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-21514	Analizada	Alta (7.8)	1.6%	⚠ Explotación activa💥 PoC	Microsoft 365 Apps Microsoft Office Long Term Servicing Channel	10/2/2026	17/6/2026	Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.
CVE-2026-21511	Analizada	Alta (7.5)	3.9%	—	Microsoft 365 Apps Microsoft Office Microsoft Office Long Term Servicing Channel Microsoft Sharepoint Server+1	10/2/2026	17/6/2026	Deserialization of untrusted data in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-21261	Analizada	Media (5.5)	0.63%	—	Microsoft 365 Apps Microsoft Excel Microsoft Office Microsoft Office Long Term Servicing Channel+1	10/2/2026	17/6/2026	Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-21260	Analizada	Alta (7.5)	1.5%	—	Microsoft 365 Apps Microsoft Office Microsoft Office Long Term Servicing Channel Microsoft Outlook+1	10/2/2026	17/6/2026	Exposure of sensitive information to an unauthorized actor in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-21259	Analizada	Alta (7.8)	0.56%	—	Microsoft 365 Apps Microsoft Excel Microsoft Office Microsoft Office Long Term Servicing Channel+1	10/2/2026	17/6/2026	Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to elevate privileges locally.
CVE-2026-21258	Analizada	Media (5.5)	0.63%	—	Microsoft 365 Apps Microsoft Excel Microsoft Office Microsoft Office Long Term Servicing Channel+1	10/2/2026	17/6/2026	Improper input validation in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-21509	Analizada	Alta (7.8)	71%	⚠ Explotación activa💥 PoC	Microsoft 365 Apps Microsoft Office Microsoft Office Long Term Servicing Channel	26/1/2026	25/6/2026	Reliance on untrusted inputs in a security decision in Microsoft Office allows an unauthorized attacker to bypass a security feature locally.
CVE-2026-20957	Analizada	Alta (7.8)	0.50%	—	Microsoft 365 Apps Microsoft Excel Microsoft Office Microsoft Office Long Term Servicing Channel+1	13/1/2026	17/6/2026	Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-20956	Analizada	Alta (7.8)	0.44%	—	Microsoft 365 Apps Microsoft Office Long Term Servicing Channel	13/1/2026	17/6/2026	Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-20955	Analizada	Alta (7.8)	0.61%	—	Microsoft 365 Apps Microsoft Office Microsoft Office Long Term Servicing Channel Microsoft Office Online Server	13/1/2026	17/6/2026	Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-20953	Analizada	Alta (8.4)	0.59%	—	Microsoft 365 Apps Microsoft Office Microsoft Office Long Term Servicing Channel	13/1/2026	17/6/2026	Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-20952	Analizada	Alta (8.4)	0.53%	—	Microsoft 365 Apps Microsoft Office Microsoft Office Long Term Servicing Channel	13/1/2026	17/6/2026	Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-20950	Analizada	Alta (7.8)	0.50%	—	Microsoft 365 Apps Microsoft Excel Microsoft Office Microsoft Office Long Term Servicing Channel+1	13/1/2026	17/6/2026	Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-20949	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Office Long Term Servicing Channel	13/1/2026	17/6/2026	Improper access control in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.
CVE-2026-20948	Analizada	Alta (7.8)	0.61%	—	Microsoft 365 Apps Microsoft Office Microsoft Office Long Term Servicing Channel Microsoft Sharepoint Server+1	13/1/2026	17/6/2026	Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.