CVE-2026-48582 — Microsoft Exchange Online Elevation of Privilege Vulnerability

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

Published: 2026-06-19 · CVSS: 9.6 · CVSS 3.1

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

Original CVE JSON · STIX 2.1

Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7