CVE-2026-102858EPSS p53.1%

CVE-2026-102858CVE-2026-102858

microsoft / microsoft_365

Description

Heap-based buffer overflow in Microsoft Office OneNote 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
EPSS0.72% probability of exploitation · percentile 53.1% · 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.