CVE-2026-100209EPSS p56.5%

CVE-2026-100209CVE-2026-100209

microsoft / 365_apps

Description

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

Scoring

CVSS 8.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS0.82% probability of exploitation · percentile 56.5% · 2026-10-17T12:00:28Z
Last modified2026-10-15
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.