CVE-2026-21259
Microsoft Excel Elevation of Privilege Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to elevate privileges locally.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Productos afectados
Microsoft · Microsoft 365 Apps for EnterpriseMicrosoft · Microsoft Excel 2016Microsoft · Microsoft Office 2019Microsoft · Microsoft Office LTSC 2021Microsoft · Microsoft Office LTSC 2024Microsoft · Office Online Server¿Quieres saber si tu infraestructura está expuesta a esto?
Hablar con TrueHacking →