CVE-2026-48579 — Microsoft Exchange Online Information Disclosure Vulnerability

Improper authorization in Microsoft Exchange Online allows an unauthorized attacker to disclose information over a network.

Published: 2026-06-04 · CVSS: 9.1 · CVSS 3.1

Improper authorization in Microsoft Exchange Online allows an unauthorized attacker to disclose information over a network.

Original CVE JSON · STIX 2.1

Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7