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CVE-2026-54998

Microsoft Exchange Online

Description

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

CVSS 8.8EPSS 0.6479999999999999%Risk 0.93
View source
Published
2026-07-02 23:16:51
Affected versions
unknown
Type
Web application
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H