Vulnerabilidades

Resumen — últimos 7 días

Vulnerabilidades nuevas2726▼ 504 respecto a la semana anterior

Críticas / altas1294▼ 196 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

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

CVE	Estado	Severidad	EPSS	Explotación activa	Tecnologías afectadas	Publicada ▼	Modificada	Descripción
CVE-2026-55129	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2016 Microsoft Office 2019+2	14/7/2026	16/7/2026	Heap-based buffer overflow in Microsoft Office 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-2026-55125	Analizada	Alta (7.8)	0.57%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2016 Microsoft Office 2019+3	14/7/2026	16/7/2026	Heap-based buffer overflow in Microsoft Office 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-2026-55123	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	14/7/2026	16/7/2026	Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code 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-2026-55121	Analizada	Media (5.5)	0.51%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2016 Microsoft Office 2019+3	14/7/2026	15/7/2026	Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-55120	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	14/7/2026	15/7/2026	Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code 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-2026-55057	Analizada	Media (5.5)	0.54%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2016 Microsoft Office 2019+2	14/7/2026	16/7/2026	Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-55056	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2016 Microsoft Office 2019+2	14/7/2026	16/7/2026	Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-55055	Analizada	Alta (7.8)	0.57%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+3	14/7/2026	16/7/2026	Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
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-2026-55045	Analizada	Alta (8.4)	0.45%	—	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 execute code 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-2026-55043	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	14/7/2026	16/7/2026	Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.
CVE-2026-55042	Analizada	Media (5.5)	0.54%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2016 Microsoft Office 2019+2	14/7/2026	16/7/2026	Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information 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.
CVE-2026-55039	Analizada	Alta (7.8)	0.47%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2019+3	14/7/2026	16/7/2026	Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55038	Analizada	Alta (7.8)	0.57%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+3	14/7/2026	16/7/2026	Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.