CVE-2026-66809EPSS p35.7%

CVE-2026-66809CVE-2026-66809

microsoft / 365_apps

Description

Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.

Scoring

CVSS 5.5 ()
VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS0.43% probability of exploitation · percentile 35.7% · 2026-10-06T12:00:23Z
Last modified2026-08-14
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.