CVE-2026-81389EPSS p28.5%

CVE-2026-81389CVE-2026-81389

microsoft / 365_apps

Description

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Scoring

CVSS 7.0 ()
VectorCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS0.37% probability of exploitation · percentile 28.5% · 2026-10-05T12:00:23Z
Last modified2026-09-17
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.