CVE-2026-45503

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CVSS 3.1

6.5 medium

EPSS

<1%p38

Published

Jun 9, 2026 (Jun 9, 2026)

Modified

Jul 28, 2026

Description

Improper authorization in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.

Vendors: microsoft
Products: exchange server, exchange server subscription edition
Weakness: CWE-285, CWE-918
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.4%)

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