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CVE-2026-54998

microsoft · exchange online

Published
CVSS8.8
Severityhigh
WeaknessCWE-863
ExploitedNot in CISA KEV

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

Description

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

References

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