CVE-2026-55898EPSS p38.7%

CVE-2026-55898CVE-2026-55898

microsoft / 365_apps

Description

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

Scoring

CVSS 6.1 ()
VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
EPSS0.47% probability of exploitation · percentile 38.7% · 2026-10-05T12:00:23Z
Last modified2026-07-15
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.