Vulnerabilidades

Resumen — últimos 7 días

Vulnerabilidades nuevas2661▼ 437 respecto a la semana anterior

Críticas / altas1284▼ 85 respecto a la semana anterior

Nueva explotación activa (KEV)5▼ 3 respecto a la semana anterior

Sin puntuar (sin CVSS)247▼ 271 respecto a la semana anterior

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

CVE	Estado	Severidad	EPSS	Explotación activa	Tecnologías afectadas	Publicada ▼	Modificada	Descripción
CVE-2026-81956	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2016+4	8/9/2026	17/9/2026	Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-81947	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2016+4	8/9/2026	17/9/2026	Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-81401	Analizada	Media (5.5)	0.54%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2016+4	8/9/2026	17/9/2026	Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-81390	Analizada	Media (5.5)	0.54%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2016+4	8/9/2026	17/9/2026	Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-55949	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2019+3	14/7/2026	15/7/2026	Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55947	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-2026-55898	Analizada	Alta (7.1)	0.47%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2019+3	14/7/2026	15/7/2026	Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-55141	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2019+3	14/7/2026	15/7/2026	Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55138	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-2026-55137	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-2026-55136	Analizada	Alta (7.8)	0.47%	—	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 execute code locally.
CVE-2026-55131	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-2026-55128	Analizada	Alta (7.8)	0.57%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+4	14/7/2026	16/7/2026	Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-55127	Analizada	Alta (7.8)	0.57%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+4	14/7/2026	16/7/2026	Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-55124	Analizada	Media (5.5)	0.60%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+4	14/7/2026	16/7/2026	Improper validation of specified type of input in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
CVE-2026-55122	Analizada	Alta (7.1)	0.53%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2019+3	14/7/2026	15/7/2026	Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-55058	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2019+3	14/7/2026	15/7/2026	Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55054	Analizada	Media (6.5)	0.92%	—	Microsoft 365 Apps Microsoft Excel Microsoft Office Microsoft Office 2021+3	14/7/2026	15/7/2026	Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-55053	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-2026-55050	Analizada	Media (5.5)	0.60%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+4	14/7/2026	16/7/2026	Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
CVE-2026-55048	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2019+3	14/7/2026	15/7/2026	Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55047	Analizada	Media (5.5)	0.60%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+3	14/7/2026	16/7/2026	Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-55046	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-2026-55044	Analizada	Alta (7.8)	0.47%	—	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 execute code locally.
CVE-2026-55041	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.