Vulnerabilidades

Resumen — últimos 7 días

Vulnerabilidades nuevas2997▼ 66 respecto a la semana anterior

Críticas / altas1460▲ 109 respecto a la semana anterior

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

Sin puntuar (sin CVSS)339▼ 171 respecto a la semana anterior

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

CVE	Estado	Severidad	EPSS	Explotación activa	Tecnologías afectadas	Publicada ▼	Modificada	Descripción
CVE-2026-78522	Analizada	Media (6.5)	0.92%	—	Microsoft 365 Apps Microsoft Office 2019 Microsoft Office 2021 Microsoft Office 2024+1	8/9/2026	8/9/2026	Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
CVE-2026-78521	Analizada	Alta (8.8)	0.82%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	8/9/2026	17/9/2026	Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
CVE-2026-78520	Analizada	Media (6.5)	0.92%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	8/9/2026	17/9/2026	Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
CVE-2026-78519	Analizada	Alta (8.8)	0.82%	—	Microsoft 365 Apps Microsoft Office 2019 Microsoft Office 2021 Microsoft Office 2024+1	8/9/2026	9/9/2026	Use of uninitialized resource in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
CVE-2026-78518	Analizada	Alta (8.8)	0.86%	—	Microsoft 365 Apps Microsoft Excel Microsoft 365 Microsoft Office 2016+3	8/9/2026	17/9/2026	Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-78517	Analizada	Alta (8.8)	0.82%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	8/9/2026	17/9/2026	Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
CVE-2026-78515	Analizada	Media (6.5)	0.92%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2016 Microsoft Office 2019+2	8/9/2026	17/9/2026	Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-78514	Analizada	Alta (8.8)	0.82%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	8/9/2026	17/9/2026	Use after free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
CVE-2026-78513	Analizada	Media (5.5)	0.54%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	8/9/2026	17/9/2026	Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.
CVE-2026-78511	Analizada	Alta (8.8)	0.82%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	8/9/2026	17/9/2026	Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
CVE-2026-78509	Analizada	Crítica (9.8)	0.97%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	8/9/2026	17/9/2026	Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
CVE-2026-78507	Analizada	Alta (8.8)	0.82%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+1	8/9/2026	17/9/2026	Use after free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
CVE-2026-78506	Analizada	Media (5.5)	0.54%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	8/9/2026	17/9/2026	Improper null termination in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
CVE-2026-78505	Analizada	Alta (8.8)	0.82%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2016 Microsoft Office 2019+2	8/9/2026	17/9/2026	Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.
CVE-2026-78504	Analizada	Alta (8.8)	0.82%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	8/9/2026	17/9/2026	Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
CVE-2026-78503	Analizada	Media (6.5)	0.92%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	8/9/2026	17/9/2026	Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
CVE-2026-78502	Analizada	Media (6.5)	0.92%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	8/9/2026	17/9/2026	Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
CVE-2026-77911	Analizada	Media (6.5)	0.92%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	8/9/2026	8/9/2026	Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
CVE-2026-77901	Analizada	Alta (8.8)	0.82%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	8/9/2026	17/9/2026	Null pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
CVE-2026-77898	Analizada	Alta (7.5)	0.61%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+1	8/9/2026	17/9/2026	Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.
CVE-2026-72977	Analizada	Media (6.5)	0.97%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	8/9/2026	17/9/2026	Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.
CVE-2026-72976	Analizada	Media (5)	0.51%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	8/9/2026	17/9/2026	Out-of-bounds read in Microsoft Office Word allows an authorized attacker to disclose information locally.
CVE-2026-72975	Analizada	Media (6.5)	0.92%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	8/9/2026	17/9/2026	Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.
CVE-2026-72974	Analizada	Media (6.5)	0.92%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2016 Microsoft Office 2019+2	8/9/2026	17/9/2026	Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-72973	Analizada	Alta (8.8)	0.82%	—	Microsoft 365 Apps Microsoft 365 Microsoft Office 2019 Microsoft Office 2021+2	8/9/2026	17/9/2026	Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.