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CVE-2026-48579

CRITICAL CVSS 9.1 View on NVD ↗

Description

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

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Products

microsoft/exchange_online

References

Published: Jun 04, 2026 23:17 UTC Modified: Jun 05, 2026 16:51 UTC