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CVE-2026-54998

HIGH CVSS 8.8 View on NVD ↗

Description

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

CVSS Vector

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

References

Published: Jul 02, 2026 23:16 UTC Modified: Jul 02, 2026 23:16 UTC