Vulnerabilidades

Resumen — últimos 7 días

Vulnerabilidades nuevas2739▼ 491 respecto a la semana anterior

Críticas / altas1301▼ 189 respecto a la semana anterior

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

Sin puntuar (sin CVSS)229▼ 273 respecto a la semana anterior

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

CVE	Estado	Severidad	EPSS	Explotación activa	Tecnologías afectadas	Publicada ▼	Modificada	Descripción
CVE-2026-55026	Analizada	Media (5.5)	0.45%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2016 Microsoft Office 2019+3	14/7/2026	16/7/2026	Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-55025	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2019+3	14/7/2026	15/7/2026	Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55024	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2019+3	14/7/2026	15/7/2026	Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55023	Analizada	Media (5.5)	0.60%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2016 Microsoft Office 2019+3	14/7/2026	16/7/2026	Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-55022	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2016 Microsoft Office 2019+2	14/7/2026	16/7/2026	Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-55018	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2016 Microsoft Office 2019+2	14/7/2026	16/7/2026	Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-55017	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Office 2016 Microsoft Office 2019 Microsoft Office 2021+1	14/7/2026	16/7/2026	Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-54131	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	14/7/2026	15/7/2026	Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-50665	Analizada	Baja (3.3)	0.51%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2016 Microsoft Office 2019+2	14/7/2026	16/7/2026	Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-50467	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2016 Microsoft Office 2019+2	14/7/2026	16/7/2026	Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-50408	Analizada	Media (5.5)	0.54%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2019+3	14/7/2026	16/7/2026	Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-50387	Analizada	Alta (7.8)	0.33%	—	Microsoft 365 Copilot Microsoft 365 Microsoft Office 2021 Microsoft Office 2024+12	14/7/2026	22/7/2026	Stack-based buffer overflow in Windows GDI allows an authorized attacker to elevate privileges locally.
CVE-2026-50314	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2016 Microsoft Office 2019+2	14/7/2026	16/7/2026	Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-50301	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Office 2016 Microsoft Office 2019 Microsoft Office 2021+1	14/7/2026	16/7/2026	Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-48580	Analizada	Media (5.5)	0.54%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2019+3	14/7/2026	15/7/2026	Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-47642	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	14/7/2026	16/7/2026	Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-47290	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Office 2016 Microsoft Office 2019 Microsoft Office 2021+1	14/7/2026	16/7/2026	Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-58618	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2019+3	14/7/2026	16/7/2026	Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-56193	Analizada	Baja (3.3)	0.50%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2016 Microsoft Office 2019+2	14/7/2026	16/7/2026	Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-55948	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2019+3	14/7/2026	16/7/2026	Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55899	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2019+3	14/7/2026	16/7/2026	Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-54988	Analizada	Media (6.1)	0.46%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2019+3	14/7/2026	16/7/2026	Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-50678	Analizada	Baja (3.3)	0.47%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2019+3	14/7/2026	15/7/2026	Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-50675	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2019+3	14/7/2026	15/7/2026	Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-47293	Analizada	Alta (7)	0.26%	—	Microsoft 365 Apps Microsoft Office Microsoft Office 2021 Microsoft Office 2024	9/6/2026	23/7/2026	Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.