CVE-2026-45463EPSS p29.1%

CVE-2026-45463CVE-2026-45463

microsoft / 365_apps

Description

Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execute code locally.

Scoring

CVSS 8.4 ()
VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.36% probability of exploitation · percentile 29.1% · 2026-08-03T12:00:16Z
Last modified2026-07-23

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.