CVE-2026-54998

CVE-2026-54998CVE-2026-54998

Description

Incorrect authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network.

Scoring

CVSS 8.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Last modified2026-07-02
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.