Microsoft Exchange Flaw Lets Authenticated Attackers Read Other Users' Mailboxes

Microsoft has released out-of-band security updates to address a high-severity flaw in Microsoft Exchange Server that could allow an attacker to escalate privileges under certain conditions.

The vulnerability, tracked as CVE-2026-96940, is rated 8.8 on the CVSS scoring system.

"Weak authorization in Microsoft Exchange Server allows an authenticated attacker to elevate privileges over a

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id: 3427
uid: KF8Z3
insdate: 2026-10-05 18:10:09
title: Microsoft Exchange Flaw Lets Authenticated Attackers Read Other Users' Mailboxes
additional: Microsoft has released out-of-band security updates to address a high-severity flaw in Microsoft Exchange Server that could allow an attacker to escalate privileges under certain conditions.

The vulnerability, tracked as CVE-2026-96940, is rated 8.8 on the CVSS scoring system.

"Weak authorization in Microsoft Exchange Server allows an authenticated attacker to elevate privileges over a
category: Cybersecurity
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guid: https://thehackernews.com/2026/10/microsoft-exchange-flaw-lets.html
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