CVE-2026-54998 | Severity.io

Description

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

Related CPE's

Vulnerable

References

Vendor Advisory

Weaknesses

Secondary

CWE-863

CVSS impact metrics

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

8.8 · High

Information

Source identifier

Vulnerability status

Analyzed

Published

2026-07-02T23:16:51.137Z

3 months ago

Last modified

2026-07-07T05:16:52.423Z

3 months ago